Aidan deals with the power vacuum and orphan vampires left behind when Bishop died; Josh prepares to reenter medical school and embrace a normal life with Nora; Sally's ghost powers grow stronger.

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.

Josh and Nora prepare for their second change together, Sally explores reincarnation, and Aidan dates a human while dealing with being cut off from his blood supply.

Aidan struggles against falling back into his old lifestyle, Josh meets a brother and sister werewolf who may want the same thing he does, and Sally reconnects with an old friend.

Sally gets addicted to possessing a live woman, Josh searches for a cure as Nora explores her connection to her wolf, Aidan is called to task for not yet ridding Boston of the fringe vampires.

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.

Sally learns who has been haunting her, Josh tries to reconcile with Nora, Aidan is targeted by the Twins.

The Reaper offers Sally a job, Josh and Julia face their past, and Aidan and Suren get rid of Boston's fringe vampires once and for all.

Sally learns more about the Reaper, an old friend pays Josh visit, and Aidan does whatever it takes to save Henry's life.

The Reaper fights for control of Sally, locking Sally in a dream world and Aidan and Josh in the house with Zoe, making everyone fight for their life.

Aidan and Suren look forward to their future together, Josh must choose between Julia and Nora, and Sally tries to fix one of the lives that she ruined.

Sally tries to convince Zoe not to turn her back on her gift, Josh decides whether to tell Julia the truth about himself, and Aidan tries to make a life for himself and Suren.

Josh decides to kill Ray, Sally's mother returns, and Aidan decides to kill Mother.