America is under attack. A deadly foe unleashes weapons of mass destruction and masses of fanatical terrorists. When the enemy stages an attack in the city of Tampa as a dress rehearsal they encounter an unsuspected obstacle: FBI counterterrorism agent Kate Beckett and an ex-marine turned college physics professor - Richard Castle.

"Beckett took a look at him. He was faintly familiar. Neurons started to twang in the back of her head. Her voice was calm and very cool. Her brain had just exploded. This was Richard Castle. Richard-freaking-Castle, right there next to her. He was top of her Freebie Five list. And she liked the books. Loved the books. And she was single." AU meeting, pre-series. 3 shot. Pornado.

"You're still here. I thought… I said I'd call you." Her words hurt him; pierced his carapace of calm. "Yeah. But it sounded like you wouldn't," he said bluntly. "So before I go, answer me just one thing. How much do you really remember?" AU, after Beckett was shot in s3. #Castleficathon2018

'It's been five years and she's undoing him in five minutes.' AU.

A collection of unrelated oneshots inspired by prompts received on tumblr.

Beckett overhears Castle telling Demming that there's no flag on the play, which comes on top of an unsuccessful stay at the loft and a case which reopens a less-than-pleasant time in her past. AU of the second half of S2. Please see warning inside.

Rick knew that he was in love with her. But he'd graciously take the high road and let her be with Josh. When Josh called her, he took his leave of the Twelfth, not knowing if he would return. He roamed the city until he was tired of walking. He decided to drown his feelings at his bar, The Old Haunt. He stepped in and it was then when things got worse...

The long awaited sequel to Into the Fold. Castle has been initiated into the group, but what happens when he betrays their leader's trust? Will he be accepted back into the fold? This story follows the detectives of the 12th precinct, and their lives as members of a group who are much closer than simply friends, co-workers, or partners while one member fights to return to the fold.

Forgiveness isn't something you are only granted by others. Forgiveness is something that you also have to grant to yourself. An AU starting about six months earlier than canon did, and in part a Christmas story. Please see warning in Ch1. COMPLETE.

Season 8 - Beckett has chosen her own personal rabbit hole over Castle once again and she's left their marriage thinking that will protect him from the backlash. Believing he has nothing left to lose, he turns his attention to his own unfinished, shadowy history which could end up being the one story that could separate them forever.

By walking out on her marriage with no notice, by excluding her husband from all parts of her life with no explanation, Kate Beckett has broken something precious and fragile – Rick Castle's belief in their always and forever. Can she find him to fix it? Written for the Castle 2015 Winter Hiatus Ficathon. Gorgeous cover art by the wonderful Angie @dtrekker COMPLETE

Rick's surprise birthday party doesn't go as planned as he tells his friends and family some hard truths. Spoilers for Season 8. SPOILERS FOR SUPERMAN VS. BATMAN.

Beckett's decision to leave Castle will have a devastating impact on the future. He will tell her,"I once believed,then I hoped, but now,all is gone. You have thrown us, away." She will attempt to repair the damage, but outside forces will complicate the task. Will they ever be repaired? Can he ever love her again? An AU tale, based on Season 8, for "Winter CastleFicaton, 2015."

When Special Agent Kate Beckett is offered an interview for a Secret Service position at the White House she didn't know what to expect, but even less than the position as personal protection for the first daughter, she never expected him. President/SSA AU. COMPLETE.

Since I thought Kate's "I want you" wasn't enough, this is my little spin on what should have happened on the night of Alexis' graduation. Had a recalibration to my cranial orb and decided that there was too much to this story to let it go so easily. WIP.

They'd been stranded on an island for almost 5 months, and now it's time to go home... where everything has changed. Sequel to SOLID GROUND. Rated M. NOW COMPLETE.

Starts near the end of Season 2. Excerpt: "The irony of the situation didn't escape her ... She'd avoided even a hint of a romantic liaison with Castle, because she didn't want to be a conquest. She didn't want to be used. She needed respect ... It would be funny if it wasn't so damned tragic."

[Early-mid S6ish. No spoilers.] Sheltered here against the harshness and abrasion of the city, the job, the whole world, she finds the dark doesn't reach her quite as easily.

This is not a place where St Nicholas would distribute presents, though it might be where his demons let off steam. Danger abounds here: hot, heavy and welcome. This is a club where dreams can come true. Of course, dreams should only be a one-time experience... See CH1&3 A/N for Warnings Before Reading and note M-rating. Castle belongs to ABC/Marlowe.

'Castle plops down to the sand once she's gone, opens his notebook on his bent knees and uncaps his pen. He came here for inspiration, and he may have just found it.' Based on a gif set by katigron on tumblr.

A somewhat AU fic. She's cool, she's a mystery. He's a writer and he wants to know more about his late-night visitor. 1 Chapter going up each day.

**PREVIOUSLY NAMED UNTITLED** Caskett pairing. What do you do when your past comes back to haunt you, do what your trained to do and catch a killer, or keep secrets and protect yourself from what people might think? Changed the rating to M!

Another attempt to explain the motivations and consequences of the decisions made during the final episodes of season 5. Canon up to the confrontation in Beckett's apartment during the episode and then AU from there. Long story, with daily updates. NOW COMPLETE.

After solving a case that brings him to the attention of the FBI, Castle pursues new opportunities to meet old goals while addressing imbalances in his professional and personal lives. Sequel to "Just Along for the Ride," which was set in Season 4 but goes AU from there.

Set at the end of Season 5, this story picks up four days after the end of The Wonder. If you have not read that story, please do so, first, as it sets this AU into place.

'Just another job, that's all Richard Castle would ever be. Maybe if she repeated it enough, she would actually believe it.' Based on a gifset by veraflynns on tumblr.

"But the longer she stares at him, the more she realizes that she knows him, that she dated him in high school, and that this is the man who took her virginity." Inspired by this tumblr prompt: childhood sweethearts who moved away and then into the same apartment block by chance AU

He's never far from her thoughts, hovering in the back of her mind. The Detective in her, (not the warm-blooded woman, she keeps telling herself) yearns to know why her favorite author disappeared from the spotlight after completing the Storm series. She's never more shocked when a year later he steps off the precinct elevator, searching for her. AU/Romance/Co-written w/Retired1984

"How ironic that it should have been his books that had rescued her, when it had been he whose words had damned her in the first place." AU s1. Please read a/n at the beginning.

Set in Season 5, this is an AU take on the Watershed episode, where a different decision by Castle can yield different stories, and different outcomes. Multi-Chapter.

What happens when Castle takes the lead on a stalled investigation. Changed the rating based on PM comments. Some disturbing crimes referenced but nothing on camera.

A cowardly betrayal leaves Rick Rodgers and Kate Beckett fighting for their lives. Can they learn to rely on the other; will it lead to something more? What happens when they return from exile and the world learns the truth? A/U. Complete. Giant hugs to who've taken a chance on this story and followed to the end. Which is just a beginning...

AU after Kate's shooting. Kate wants to tell Castle that she heard him at the cemetery but everyone is avoiding her after she gets out of the hospital. And wheres Castle? This is my first fanfic ever so enjoy!

"What's past is prologue." -William Shakespeare, The Tempest, Act II Scene I. An AU season six Castle story.

Post-Ep for '47 Seconds'. "I need a word with you." Castle's voice cuts through the hubbub of the bullpen even though he has it purposefully toned low. Low and rough, scraping at his vocal cords with a touch of something dark and smoky that tugs at Kate's gut, exciting and scaring her in equal measure.

Beckett is distraught when Castle seems to have finally given up hope on them ever being more than just partners, and he begins to pull away from her, prompting her to face up to her own feelings.

A single chance meeting can change everything. AU. Cover art by ournorthstars.

Everyday was the same. Get up, work, and then go to bed. Kate Beckett was bored. She needed a change in her routine. So, after some nagging from her best friend, she allowed herself to be set up on a blind date… and that's when she met Rick Castle. AU. Spy Castle. Entry for 2014 Castle Ficathon.

"He almost lets it go. Almost doesn't press the issue. But the thought of the noises she'd make with his mouth at her throat, their chemistry on display for others to watch and enjoy, is just too tempting." A few chapters of AU spiciness that takes place after 7x02 - "Montreal."

My entry into the "Summer 2014 Ficathon." Based on 6X5, Katherine Beckett is a US Senator, as predicted by Simon Doyle. She lives between New York and Washington DC, Richard Castle and their three children have remained in New York City. As before, DC brings new and greater challenges. A story of angst. The unanswered question is, can they survive?

While giving the eulogy at Captain Roy Montgomery's funeral, Kate Beckett's world is turned upside down when Richard Castle takes the bullet meant for her. My entry for the Summer 2014 Castle Ficathon.

AU. Rick's completed the Storm series and is looking for a female muse for inspiration. He hears about the stunning, illustrious Diamond through an exclusive men's club and decides he has to meet the high-end escort for himself. He's amazed by her hidden depths and floored by the realization that he just might not be man enough to handle her. (Romance/Angst)

Season four fic, set shortly after Once Upon a Crime. A misunderstanding makes the green-eyed monster rear its ugly head.

With no reason left to hold onto where life was taking her prior to her parents' deaths, Kate Beckett stumbles into a different world. Can she keep herself and her emotions buried deep or will everything crack open when fate throws Rick Castle her way? An AU Caskett meeting. Ficathon 2014 Entry. COMPLETE

Katherine Beckett had options. Lots of options. Socially acceptable options. So when her mom's murderer was caught, Kate shelved her plans of becoming a cop, intent on living as ordinary a life as possible. But is normal enough? Meeting Richard Castle might be just the thing to change everything for both of them. #CastleFicathon

Wrongly accused of two murders he didn't commit, Richard Castle escapes police custody in hopes of proving his own innocence. FBI Agent Kate Beckett is on the team assigned to bring him in, but as the bizarre evidence stacks up, she begins to question his guilt-particularly after meeting him face-to-face. AU. 2014 Ficathon Entry

His eyes find her across the distance. He disentangles himself, walks toward her and for a moment it's like no time has passed and nothing is different... Future fic.

Castle and Beckett have made the move to DC after she says yes to both Castle and the job, but nothing is ever easy; at least nothing with them. Now that the dance is over and reality has set in; what life will they ultimately choose; one together or apart? Post Watershed - All spoilers game - Rated M - just to cover the bases. 2013 Castle Ficathon Entry #2 Cover Art dtrekker

What if Rick had had a different reaction to Kate's secret being revealed in the interrogation room? VERY AU after 47 Seconds. Based on a prompt from Louise McDoogle. Her words used with permission. Now with new Cover art by Detective Angie

One question from Demming, and Castle's response leaves Kate dumbfounded. A testosterone laden alternative one-shot, set towards the end of season 2. Enjoy!

They turn in opposite directions and his skin is on fire, hot annoyance like acid through his veins and - it stuns him - he's hurt. Set S2 during When The Bough Breaks. M for language and content. Now Complete.

What if Beckett lost it after her mother's death and her only sense of sanity came through Richard Edgar Castle's books? (Set before season 1. Winter kink Meme Fill) Beckett has abducted her favorite author and keeps him cuffed, tied up and or drugged in her bedroom to have her dirty way with him whenever she likes. AU. (This will hopefully be a memorable love story ;)

A sequel to 'Coming Home'. "She thinks she understands – the life she led here for three solitary months is still a mystery to him. So she gives him latitude to catch-up, to ease into the small space she made for herself: the sharply delineated edges that her DC life was defined and constrained by. She resolves to show him that he missed nothing, while all she missed was him."

It should have brought them closer together, not torn them apart – she understands this now. What she doesn't know is whether any way back for them still remains. Future fic - Complete. **Winner of 'Favorite M rated Fanfic Multi-chp' in the 2013 Castle Fanfic Writers Guild Awards**

Post-47 Seconds. 'Kate stands several feet away from Castle's spot at the far end of the bar, hands jammed into her pants pockets, fists curled up tight with her short nails digging half-moons into her palms while the writer studiously tries to ignore her. "You're angry." "You think?" His voice is harsh, dripping sarcasm.

Three years have gone by since Detective Beckett accepted Agent Stack's offer and left for DC, severing all contact with New York. Everyone has moved on with their lives, but what happens when an old enemy targets one of their own? Entry for 2013 Castle Ficathon. Amazing cover art by Angie(Dtrekker)! Now COMPLETE.

Kate's heart shatters upon the realization that Tyson has Rick. He's going to torture him to his hearts content until he decides that he's sick and tired of playing the game and then kill him slowly to punish her. She chokes on a sob, trying to shove the fear aside, focus on her one hope - a young, psychic Heiress whose ability is inexplicably linked to them (Dark/Supernatural/AU)

Beckett stumbles across something confusing about Castle and his mysterious past. Detective senses tingling, she goes on the hunt to peel a layer off the Castle onion. Angst, romance, action and humor ensue. Chapter 13 now up! Rated M for a reason, folks!

Castle and Beckett finally get to have that trip to Bora-Bora. But not all goes as planned. Instead of sipping mojitos in paradise, they find themselves stranded on an isolated island. Cover Art made from collaboration with @dtrekker. 2013 Castle Ficathon Entry. Rated M for safety, though the bulk of the story is T-rated. COMPLETE.

Castle and Beckett are spending a Saturday night at home in the loft. Rick starts pestering Kate about her "number" which leads to a serious discussion about many of the issues our favorite couple has never properly addressed. Angst, romance, and smut…this story is rated M for dialogue and sexual acts. Set Season 6 anytime after episode 3. Consider possible spoilers for all previou

What Rick and Kate get up to behind closed doors in nobody's business but theirs. They have a system, and it works for them, oh boy does it ever.

When Beckett can't seem to keep her thoughts under control at the precinct, it's Castle who has to step up and fix the problem... Not that he's complaining. Smut... total, unashamed smut. Consider yourselves warned.

S6 opening fic. Mild spoilers. "Javi, I can't come back. I have my work here and…" she sighs, lowering her voice. "We agreed on a break. I just—It's too soon," she tells him, embarrassed to admit what a screw-up she's made of everything; the fairytale romance so many people were gambling their happy ending on turned to ordinary shit by her hand.'

Post Watershed. "Detective Beckett. I'm calling about a Richard Castle..." No, this can't be happening. He was supposed to be safe. Complete.

The pressure of Beckett's new job has been getting to her, filling her with tension that can only relieved one way. Castle has been away on a book tour and makes surprise visit to DC. Warning: NOT Casketty goodness. [cymru64... You really don't want to read this story!] (Summary & genre edited in *response* to reviews.)

AU. Post-Season 6 after 'Heartbreak and Hope.' Kate is kidnapped by someone from her past who was never what he appeared to be. Rated M for first and future chapters. Entry for the 2013 Castle Ficathon.

Beckett is in DC and Castle is in NYC - Post Watershed - with all spoilers inherently in play. Decisions have been made and stands taken, but someone from their past will force them to face one another one more time. Will Caskette conquer all? This is my first fanfiction EVER! Cover art by dtrekker - Castle 2013 Ficathon entry-Rating M for some language and later chapters.

Castle and Beckett receive a tip off that leads them to a alley way. But something happens in the alley that changes everything. This story is rated M because it contains subject matter that is for mature readers. it was written to increase awareness and communication about the subject. It does not contain smut.

Gates knows, and policies are policies. When their romance is discovered, they are presented with an ultimatum-their professional partnership or their romantic relationship. Is it really possible to go back? Sometimes in order to know what is right, you've got to choose wrong first. Even the angst is romantic in this one guys.

It's not her first time doing this and judging by the way she can feel Castle staring, it won't be her last. *One Shot. Complete*

A person from Beckett's past shows up. Will the Bad Boy come between our two lovebirds? Rick is leaving town and Beckett is keeping company with her old love.

AU: Beckett is a uniform on the Vice squad at the 12th, five years before she and Castle actually meet in the show. Based on an idea of Cartographical - chezchuckles and I just liked it so much that we each wrote our own. Variations on the same theme, sort of.

When Castle and Beckett have a quiet night in planned, they realise just how far awry their plans can get, thanks to an old acquaintance. The heart is not a thing to be trifled with, but isn't possession nine tenths? (Smut warning)

He could only stare as Kate lifted one of those sinfully high heels, wrapped her leg around the pole, and spun.

Kate notices how Rick is looking at Serena, and jealousy is not the only thing she feels… Rewrite of "Eye of the Beholder", how it could have been if Caskett were already established. Very smutty.

Scene imagined based on the promo for 5 x 05 'Probable Cause' – 'The pain of knowing she doesn't trust him implicitly will not go away.' ONE SHOT - complete.

For months she's been gone. Months in which Castle's been forced to believe that Kate Beckett was dead. Eight full months in which he's missed her, craved her, mourned her. Now she's standing on his doorstep, two coffees in slightly shaking hands and Castle's world collapses. Direct spoilers for 4x23 Always, but most probably AU from there.

He has to get her out of his system somehow . . . Post-episode aftermath for 'The Limey' and going AU from there.

There's a reason that Gates doesn't like to send Beckett and Castle on undercover assignments.

AU: Beckett is a uniform on the Vice squad at the 12th. It's five years before the season one meeting. Cartographical sent me and Sandiane Carter a list of AUs she wanted to see. We were both so excited about Vice Beckett that we each wrote our own. This is mine. Thanks to garnetgivealittlelove for the cover art.

*Kate has been kidnapped* by an underground sex trafficking ring. Castle's trying to save her. This story is on the dark side as it will have light torture, light bondage, voyeurism. No BDSM / No rape. Strong Rating. *This is my personal favorite story*

What I hope will happen with season 5, episode 2, Cloudy with a Chance of Murder... Because a jealous Kate Beckett is my favorite Kate Beckett! You can thank BlueOrchid96 for this little one shot.

"I really thought you were good for him. I thought you were making him better. And now?" Alexis laughed harshly,"I'd rather have the immature playboy than the zombie you left me with." AU. Post Rise. Kate finds out that bonds that are hard to break are even harder to fix once they are broken.

He would never choose to spare himself, but her pain breaks him in a moment. Set sometime before the S4 finale. Written for a fic meme on Livejournal. Trigger warnings: Strong elements of kidnapping, torture, rape, dub-con, and potential suicide - no one dies. Yeah, this goes some dark places.

Four months after her encounter with Cole Maddox, Beckett is still the one thing she never wanted to be: afraid. She embarks on a personal quest to restore her physical confidence. Castle is not there to help, but someone else is, someone who is looking for far more than her physical redemption. Story will be a hard "M" in subsequent chapters.

It finally happened, but do things ever work out as planned? How will our favorite couple cope with each other when they must flee and are hidden away from all that they know for her safety? Immediately follows 4x23. Now Complete.

Spoilers for 4x19. The truth comes out, and it hurts.

Cat's out of the bag for both of them, and Castle is crushed in the wake of the truth. Because if she cares for him at all - then how could she do this? ***Finalist for 'Best Drama' in the 2012 Castle Fanfiction Awards.***

What if Kate and Rick hadn't first met when they did? What if they'd met when Kate had started out as a Detective and was undercover? How would their relationship change?

Following a PTSD episode, Kate has a choice to make. Heavy angst, character death, adult situations . Spoilers for Rise, Cops & Robbers and Kill Shot. Chapter 3 up, COMPLETE.

Just what was on Kate's camera after the wedding?

Rick is escorting Kate to Kevin & Jenny's wedding. Everything about her tonight is driving him to the brink...driving him over the edge. Will he finally make Kate his? Teasing / Romance / Jealousy / Consummation, lol

Beckett/Castle. I dare you to let me be your, your one and only.

Sequel to Innocence Lost. Set immediately after the events of Innocence Lost, our dynamic duo must contend with conspiracies, murder, lust and intrigue, all whilst trying to figure out their own changing relationship. Chapter 2 now up! :-D

An inconvenient phone call, and a point being made. Caskett established relationship, smut. Written for Manuxinhace's challenge. *SMUT WARNING*

set post episode 3x24. Beckett wakes up to find things changed, Castle included. What do the changes mean for them? Rated M for violence, language etc.

Castle is shocked when he finds Kate on an undercover assignment he wasn't aware of in a topless bar.

He had flown too near the sun. His wax had melted, his wings had failed him, and he had fallen. But Icarus was not failing as he fell, just coming to the end of his triumph.

When Beckett goes undercover to catch a killer, Castle learns some of the secrets that she's been hiding but what sort of a affect will this have on their relationship? T at the moment but it might change to M in later chapters. I don't own Castle.

Epilogue to 3x04 Punked. Lanie and the boys are pissed at Beckett when they realize something after meeting her boyfriend. Can Castle clue her in on how to fix it? Spoilers inside M for adult language.

Castle returns from the Hamptons. He spars with Beckett, and the end result isn't pretty. Caskett. Enjoy and please review.

Kate only has eyes for her boyfriend leaving Castle out to dry. How does Castle react and does Kate realize what she is doing?