Returning from limbo leaves Sally with more baggage than she bargained for, as well as new abilities that prove to be both a blessing and a curse. Josh deals with the consequences of attempting to lift his werewolf curse and his life is further complicated when an ominous visitor comes to Boston looking for him and Nora. Aidan resurfaces from being grounded and finds the vampire community vastly changed; he must find a new approach to feeding that will change his life forever.

Zu Beginn der dritten Staffel ist Josh kein Werwolf mehr und Aidan muss sich der traurigen Wahrheit stellen, dass ein Virus etliche Vampire ausgerottet hat.