AU. New York, 1939. NYPD Homicide Detective Nick Buchanan is recruited to an undercover operation with the FBI. His new partner is private investigator Jennifer Mapplethorpe. It is an operation and a partnership that will change both their lives forever.

Seeing Gina caught them both of guard, now Nick and Jen have a quiet night to talk about things. Set at the end of 4.14.

One of Nick's cold cases is reopened with an interesting twist.

On a sunny Sunday afternoon, Mr. Hartono drops in on The Claybourne's unexpectedly.

Jen opens up to a kind stranger about her heartache after her breakup with Nick. Set at the end of 4.22

They were always meant to find one another; they were always on a collision course, bound for one another. The two halves of their lives, the before and the after, come crashing together. This is Nick and Jen's story, from one beginning to another, a mix of flashbacks and canon moments, converging.

Nick and Jen get together after the Women in Blue Fundraiser to "talk". Chapter 1 and 2 are rated T, Chapter 3 is rated M

Nick and Jennifer working through everything they have been through since their first Undercover Operation.

Nick Buchanan finds a woman in the woods and the light she brings to his life saves them both from the darkness. Fantasy AU.

Rahleeyah noticed that Nick wears a leather bracelet. There's a million ideas for the backstory of that, but here's an idea I had for it.

This is the other side of the coin, the other direction Chasing You could have gone. When Nick leaves Homicide he and Jen both struggle to move on.

After Jen breaks things off between them, Nick leaves Homicide for a fresh start somewhere else. But starting over will be harder than either of them anticipated.

An alternative saga of Jennifer Mapplethorpe and Nick Buchanan, how they met and fell in love, how they fell apart and fell back together.

Sequel to Second Chances. Nick and Jen are ready to start their lives together, but when the unthinkable happens, they'll both be pushed beyond their limits. Forced to face the consequences of their past, they'll be caught in a race against the clock to save everything they hold dear.

"...he has to be certain that she wants this forever and not just because, for a brief moment, she believed he was dead." - Nick deals with the fallout of everything that has happened, and he and Jen really need to talk about what comes next. Nick/Jen. Canon-compliant, post-show. Complete.

Fate gives Nick and Jen a second chance the night they're reunited in Matt's kitchen, but starting over will prove more complicated than either of them ever imagined.

AU exploration of the season 5 episode 4 'Go Down Swinging'. Note this is mostly a Jen and Nick story.

Five times different members of the team found out Jen was shagging someone, and the one time they all found out it was Nick.

Nick learns about Jen's past.

Pre-series. Nick and Jen are undercover and run into someone from Nick's past, causing Jen to realize some things.

Pre-series, Nick and Jen have a quiet, honest conversation about their relationship.

Early on in their relationship, Nick and Jen experience a power outage. Short fluff.

Alternate s5 plotline. Jen finally realizes what she needs to say to Nick.

Jennifer decides, on a whim, to buy a fancy dress. When Nick compliments her on it, she knows she'll never regret buying it.

Jen runs into a bit of a problem from staying at Nick's place and comes up with a creative solution.