In the season finale, the truth is revealed and Raimy makes a discovery that stops her cold. She quickly reaches out to Frank on the ham radio to voice her concerns.
Raimy and Frank make a huge discovery while continuing their search for the Nightingale killer. Meanwhile, Stan is willing to do anything to bring Frank down.
Frank and Raimy put a plan in motion for Frank to kill the Nightingale, but Frank finds himself agonizing over whether it's the right thing to do. Meanwhile, Raimy is confronted with an unexpected moral decision.
Raimy uncovers evidence in the Thomas Goff and shares the information with Frank. Meanwhile, Gordo talks Raimy into going out for a drink where she has an interesting encounter with Daniel.
With the date of Julie's abduction rapidly approaching, Raimy and Frank each work to gather information from a girl whose mother was taken by the Nightingale killer.