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.
Chloe and Andy are on scene when an explosion rocks a parking garage.
Wes kisses Chloe after signing divorce papers.
Nick opens up about his past.
Tensions flare between Andy and a resident on "Moving Day."
Andy chases a suspect who flees from a crime scene.
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.
What evidence does Duncan have on Andy?
Sam makes a confession about his father.
Andy tells Sam he can't keep shutting her out.
Sam finally forgives his father.
Sam's father threatens his badge.
Andy confesses that she omitted information from her reports on Duncan.
Chris acts suspiciously during an undercover operation.
Chris seems to be protecting a drug dealer.
When Andy needs backup while protecting a witness, Duncan freezes.
Sam and Andy are working on their friendship.
When Andy feels guilty about reporting Duncan, Sam reassures her.
Andy tells Sam she loves him.
Andy needs help protecting a witness, but will Duncan have her back?
Nick takes a beating at Fite Nite when he gets in the ring for 15 Division.
Gail gets angry after hearing Holly's friend question their relationship.
Dov tells Chloe's husband Wes to let her go.
Sam tells Andy he doesn't want to waste any more time.
Andy and Duncan have to draw their weapons when a suspect pulls a knife.
Andy tells Nick that she still loves Sam.
Andy volunteers to train 15 Division's new rookie.
Dov sees Chloe for the first time since she was shot.
Sam's sister warns Andy that Sam will never change.