What happens when Jay & Hailey have to go into witness protection together circa season 6... Will their budding feelings come to the surface?

Jay witnesses an unhealthy family dynamic and brings his 16 year old sister to live with him. The sweet and innocent girl he remembers is now full of sarcasm and secrets. But there's never a mystery that Jay can't solve, and he's determined to get answers. AU, sisfic.

Did you ever wonder how Upstead would be as foster parents for a teenage girl? Like Hank and Erin, Hailey and Jay welcomed Olivia to their home when she was 16. Olivia holds a lot of grudges and is full of mischief, but she is also incredibly sweet and has a tremendous need to feel like she belongs. To her surprise, Hailey and Jay will give her exactly that.

Hank Voight loses everyone he gets close to. Will that finally change when he recruits a new detective for the Intelligence Unit?

Hailey tries to come to terms with Jay's new assignment with the Army. Takes place post 10 x 3. Will be a multi-chapter story.

Adam's sister goes missing & it sets in motion a chain of events that nobody saw coming. #Burzek

Hailey and Jay have been married for two months, what happens when Hailey cheats on Jay? Will Jay ever forgive her?

Based on the events of the episode ‘Knock The Family Right Out’, Jay and the others deduced that Tawny was the third suspect. Unfortunately, upon arriving at the house, they were already too late, resulting in Erin being raped by Ty Henley. The question remains if the team will be able to support Erin through this traumatic experience.

Nadia Decotis had been transferred to New York and Jay had been struggling ever since. What happens when the only person who can get through to Jay comes?

SEQUEL TO THE CHEAT

It all started as an on-screen storyline. It wasn't meant to become reality. (Linstead AU)

Sometimes life has a funny way to take you back where you belong. A story where Erin and Jay find themselves working back together as they try to see if maybe..rekindling flames for them could actually lead somewhere.Not everything comes easy, so are they willing to fight this time?

Nadia Decotis was a new detective at the 21st District. What happens when they become partners?

Tess is pretty sure she hasn't been poisoned, but she's knows something is wrong; not just because she remembers being in pain but because wherever she is right now, it's not Chicago. In the past we get to explore what the five years she was without Jay were like.

Terrified Tess has been poisoned Jay rushes her to the hospital, only to find out that isn't the case. And that what is hurting her is going to be a lot harder to work through, but he's determined to do it. In the past we explore what the five years he was without her were like.

Hailey Upton and Jay Halstead have been husband and wife ever since the intelligence unit found Kim and killed Roy, what happens when Hailey becomes distant with Jay and more close with Voight?

When a new case turns up the prime suspect is as young girl. Or was she just at the wrong place at the wrong time. When the case takes an unexpected turn it brings up some feelings and experiences from the past for one of our favorite detectives how will it affect the present?. More and more buried secrets will be revealed as the story goes on.

This story will start from [S1-11] [Erin doesn't leave through the chapters] (I don't own any of the characters in this book)

Jay Halstead is a detective in the Robbery Homicide Unit. What happens when he clashes with Intelligence?

Hailey and Jay have been best friends since high school. What happens when they bump into each other in the precinct.

A-Z of Hailey and Jay

Oneshot from [3x17]

Erin and Jay find a little girl walking alone in the middle of the street, what happens when her whole family is murdered?

Erin Lindsay and Jay Halstead Sickfics Requests are always welcomed!

When Adam goes to the bar for a drink or two, he runs into the last person he expects. *Smut warning*