A bomb goes off in the station's evidence room, with Andy inside.
When a car bomb explodes in a downtown parking garage, a newly reinstated Duncan goes rogue in an effort to prove himself.
When the Division helps tenants move out of a condemned subsidized-housing complex, they discover a badly beaten man in one of the empty units.
Dov suspects Chris isn't ready to get back on the right track; Steve tells Traci he's about to raid a gambling den frequented by her husband.
Oliver prepares Andy to defend herself at Duncan's dismissal hearing.
The investigation into the discovery of a missing man's body in the trunk of a car leads Andy and Sam to someone with a surprising connection to Sam; Traci thinks they have the wrong suspect.
After tracking a gun found at a frat house, Division 15 goes under cover at a bar that is supplying illegal firearms; Dov becomes suspicious of Chris' behavior; Andy helps Sam with a missing person case.
Andy worries Duncan may not be suited to the job; when the body of an executed gang leader is found, 15 Division works to prevent a gang war from breaking out; 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 joins the force.
While off-duty, Andy and Dov become involved in a holdup at a diner; Nick goes rogue to search for Sam Swarek's next of kin; Andy is faced with both the men she cares for and must reveal her decision.