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.