A bomb goes off in the station's evidence room, with Andy inside.
When a car bomb explodes in a parking garage, Duncan goes rogue in an effort to prove himself.
15 Division helps tenants move out of a condemned subsidized-housing complex.
Steve tells Traci he's about to raid a gambling den frequented by her ex, Dex.
At his dismissal hearing, Duncan reveals new incriminating evidence against Andy.
As the officers of 15 Division try to hunt down the killer of Brian Gowdy, Andy and Sam head to a prison to interview a list of inmates... a list which happens to include Jay Swarek, Sam’s elusive father.
15 Division goes undercover at a bar that is supplying illegal firearms.
Andy worries Duncan may not be suited to the job; Gail makes a harrowing discovery.
Before Fite Nite, the officers have to seize all proceeds from crime.
Oliver is promoted to Acting Staff Sergeant; a new rookie, Duncan Moore, joins the force.
Andy and Dov become involved in a holdup at a diner; Nick searches for Sam Swarek's next of kin.