Richard Castle gets the surprise of his life and looks to his longtime friend, Kate Beckett, for support. Will she be able to step up and help him with his newest challenge? - Caskett, AU. For Castle Ficathon 2020.

Just a few weeks following the aftermath of Sonia's eventful return, the gang is faced with an unscrupulous killer who is targeting public servants. Their struggle for progress and increased scrutiny from the ranks above brings up some tough questions and painful truths, threatening the future of New York's greatest crime fighting team.

Castle and Beckett travel with their family to the Aloha State for spring break and explore from Mauna Kea to Hilo to see everything the Big Island has to offer. A surprise request then leads to an extension of their vacation and reuniting with good friends on the West Coast. Forty-first in the Beware Of Darkness series. Caskett pairing.

An impulsive decision fuelled by anger and hurt changed the trajectory of Detective Beckett’s life in a major way. An extension of the mini-fic, Seven, from the Like Potpourri… series. Language warning for some chapters. Some mature scenes.

I have a lot of random little ideas that pop into my head - so this will be a collection of all those little stories. Each chapter will be a stand alone story (unless stated otherwise). Some will be from prompts, others will be just random ideas.

This story is in the same AU as Under and Over. Kate is now a prosecutor, Rick is an award-winning author of books exposing the criminal history of well-known figures including Bracken. The story starts with DA Gidon Shapiro and ADA Kate Beckett prosecuting a rich and powerful politician for rape.

Richard Castle and the 12th precinct are involved with a serial killer. This particular killer is a fan of Castle's novels and attends his local book tours.

Just a little something for Christmas.

An AU Story which takes place sometime post series and Rick and Kate are facing a particularly melancholy Christmas because circumstances have conspired to not have the rest of the family able to attend the festivities

S4 AU. Kate and Rick are best friends on a popular chat site, only neither of them have any idea that it's their partner they are talking to. When N1Detective spills her secrets to StoryWeaver, and he spills his to her in return, will it give the partners the shove they need to finally admit their secrets, and possibly feelings, to each other face-to-face?

A complete reimagining set into the timeslot of Demons (and that's pretty much all they have in common) with a greater lean towards the supernatural in favor of the holiday season creeping upon us. Rated T (for now) for instances of adult language, violence, and sexual content. Cover art is a cut from The Nightmare by Swiss painter Henry Fuseli. #CastleHalloweenBash

Set end of season 6/beginning of season 7 What happens when the love of your life disappears and you can't explain it My first foray into Castle fan fiction and my first fiction in a very long time. Hope you like it. 3 chapters written more to come

rework of Season 4? 'That wall inside.'

If there's two things Judge Beckett hated, it was disrespect in her courtroom and annoyingly handsome defense attorneys. Career AU.

A man calling himself Derek Storm arrives at the 12th Precinct.

Kate is forced to confront a decision from her past. Set in early Season 5, before the Hamptons trip. Beckett and Castle are in the early days of their relationship, will they survive this new revelation? AU.

Collection of non chronological one-shots expanding on the 'Five Little Monkeys' world. Cover art credit to Angie (@Dtrekker on Twitter) Rated T for minor language and sexual situations.

My first ever Caskett Christmas story. It is somewhat of a prequel and does have a major character death.

Kate finds herself in a universe where Castle doesn't exist. Can she find her way back to her universe? (For Jon, my always).

Sometimes accepting the unexpected can lead to the most rewarding experiences in your life.

This takes place during the "The Third Man". Kate's reaction to the article is just a little bit different. Transcript courtesy Dust Jackets Wiki. Anything that you recognize is not mine, all mistakes are mine. A very special thanks to SonicMessiah. Put simply, this story wouldn't exist without her help.

Authors Note: This is AU; Kate's mom is alive and happily married to Jim. The experiment of Kate and Rick living together is killed when she takes the Fed job 7 months into their coupling, only to return to New York 13 months later, BUT Rick isn't there. I don't own Castle; I only use the characters for amusement purposes, NOT CASKETT ENDING

Rick finds out about Kate's interview a few days earlier and decides it's time to stop pretending to be less than he is. All standard disclaimers apply. T rating for now, may go to M latter so you've been warned. Caskett ending or at least cliffhanger if I break this up into multiple parts.

A collection of Caskett drabbles, ficlets, and one-shots based on prompts. Today's offering: Like Yourself: Castle helps his pregnant wife feel a little more like herself. Rated K .

After returning from the Hampton during the in of summer. But he gets a cold welcoming by the precinct. Castle decided to leave, since no one wanted him there. Three years later, Castle returns with a smaller family of his own. Rated for language, violence, and sexuality.