Josh is miserable after his latest full moon transformation resulted in him waking up next to a bloody dead deer in the woods. Aidan suggests that he and Josh should live together so they can watch out for each other. When they've found the perfect apartment, they realise the place comes with its own ghost, Sally

Sally begs the guys to call Danny over so she can try to make him see her presence somehow. Aidan, while trying to fight off Cara's unwanted admiration, receives some shocking news about someone who he thought was dead. Josh discovers Aidan's involvement in the Rebecca incident and confronts him about it; at the same time, Josh is also struggling with whether to tell his sister the truth about himself.

Sally meets a ghostly new friend who teaches her how to cross physical boundaries like the apartment. Josh gets roped into the Neighborhood Watch against his wishes. Aidan is recognised by the son of one of his past victims, who is determined to confront Aidan about his father's murder.

Aidan receives a “video postcard” from an old friend. Sally takes Aidan up on his offer to “take care of her problem.” Josh’s sister moves in with them which causes problems for the roommates. Josh goes on a date with a nurse from the hospital.

Josh has an odd and interesting homecoming. Sally attempts to protect Bridget from Danny but fails. Aidan deals with the aftermath of Marcus' attack.

Josh is forced into "dog" fighting. Aidan is forced to play the good "son," while the elders are in town, and Sally has to act as a mediator between the two.

Nora finds out the truth about Josh; Sally misses her "door", but gains new powers; Aidan has a final showdown with Bishop, with surprising results. We also see how Aidan and Josh first met.

Josh is trapped inside his wolf as Nora and Aidan struggle to contain him; Sally finds herself imprisoned in a mysterious place with Donna.

Sally makes a major sacrifice to keep her vision from coming true; Aidan fights to destroy the evil spirit; Josh and Nora think carefully about their future.