The team discovers that a young traveler found dead in a state park was witness to an execution of a person involved in a top-secret government sponsored project. Also, Maggie struggles to bond with her new partner, OA adjusts to a new role, and the CIA's Deputy Chief of Station Nikki Reynard lends a helping hand on the case.

After an undercover NYPD officer is cuddled in front of his daughter's school, the team investigates the likely culprit, a drug dealer trying to clear his name. But the deeper the team digs, the more cover-ups they discover. Meanwhile, Maggie bonds with her new partner, and is pulled in to secretly help OA.