Past mistakes come back to haunt Aidan and Josh, while Sally flirts with a fun but dangerous new pastime.

Josh and Nora prepare for another night of turning into werewolves, meanwhile Aidan deals with losing his connection to the Hospital's blood supply, and Sally meets a medium who may or may not help her in being reincarnated.

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 orphan 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.

After her murderous rampage, Sally is trapped in a coma -- so the boys turn to the ghost whisperer to save her. But when Sally's reaper returns, they're the ones who will need saving.

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.