Andy pledges to show up for Sam and his child.
Sam is conflicted about having a baby with Marlo instead of Andy.
Chris needs to break up with his boss's wife.
There's a link between the bomb and the police department.
Preview Episode 2: Collins and Ward pick up a suspect.
After one more game of hide-and-seek.
It's better to know the truth, right?
Chloe is happy to have someone new to talk to.
The old friends confide in each other.
Diaz learns he's having an affair with the boss's wife.
Is Officer Ward undercover at 15 Division?
Premiere Preview: Andy is attacked by an intruder.
Andy is in the evidence room when a bomb explodes.
With his life in imminent danger, Duncan finally apologizes.
Nick risks his life to save Duncan.
Duncan chooses the wrong time to try to talk to Andy.
Gail and Holly are not on the same page.
Marlo has another secret.
Wes kisses Chloe after signing divorce papers.
Nick opens up about his past.
Tensions flare between Andy and a resident on "Moving Day."
Dov saves Chris and a gunshot victim.
Andy tries to repair her friendship with Oliver.
Sam gives Oliver a pep talk.
A gas leak threatens the lives of Dov, Chris and an injured victim.
Oliver makes a deal with Inspector Jarvis to save Andy's career.
Dov confronts Chris after finding drugs in his car.
When Gail finally tries to apologize to Holly, she discovers it's too late.
Andy tells Sam she loves him.