The team investigates after a drug dealer is shot in a federal park, but the return of Maggie's sister ends up throwing a wrench in their investigation.

The team hunts down the ones responsible for kidnapping the child of a prominent U.S. senator, only to find potential links to a similar local case.

The team tries to track down a dangerous dealer after a group of teens are found dead from a drug overdose; OA wonders about his faith.

A doctor is ritualistically murdered, leading the team searching for a religiously motivated serial killer; Scola deals with a life-or-death decision.

The team hunts down the terrorists responsible for a bus explosion that killed multiple innocent bystanders; Scola struggles to balance work and being a father.

The president of the NY Fed is shot and killed while helping a young woman in danger, and the team races to catch the killer and rescue the missing woman.