Aidan deals with vampires; Josh prepares to reenter medical school; Sally's powers strengthen.

Josh deals with his relationship with Nora; Aidan helps Suren; Sally discovers new ghostly powers.

Josh and Nora prepare for another "change"; Sally looks into reincarnation; Aidan dates a human.

Aidan tries not to go back to his old lifestyle; Josh meets a brother and sister werewolf; Sally connects with an old friend.

Aidan's relationship is taken to a new level; Josh's search for a werewolf cure continues.

Aidan is hounded by his past; Sally finds out her mother is dying.

Sally finds out who has been haunting her; Josh tries to reunite with Nora.

Josh and Julia face their past; Sally is offered a job; Aidan and Suren get rid of Boston's fringe vampires.

Aidan tries to save Henry's life; Sally learns more about the reaper; old friends visit Josh.

Aidan and Suren look forward to their future together, Josh chooses between Julia and Nora; 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 is not sure if he should tell Julia the truth about himself; Aidan tries to make a life with Suren.

Sally's mother returns; Aidan wants to kill Mother; Josh intends to kill Ray.