Josh deals with the discovery that Nora's been turned into a wolf, Aidan helps Suren take control of Boston, and Sally discovers new ghost powers as she hangs out with her new ghost friends.
Nora returns; Sally finds out who has been haunting her; Josh's relationship with Nora is strained by Will's murder.
Sally reconnects with her mother's ghost, Josh tries to protect Nora from the cops investigating Will's murder, and Aidan's past comes back to haunt him.
Due to his actions, a loved one's life is at stake; Rose and Des discover a betrayal; Sloan makes a decision; Leslie is thrown into a life-threatening situation.
Jake tries to locate a hustler to get out of a debt; Leslie's suspicious of a fellow officer; Jake's ex visits.