Aidan and Kat's relationship moves to the next level, but an encounter with someone from Aidan's past threatens to derail it all. Meanwhile, Sally uses her newly acquired powers to help Nora try to free Josh from his wolf, but nothing is without its consequences when magic is involved.
Aidan learns there's a new vampire boss in town with ties closer to him than he'd like to admit. Josh's new life proves problematic when he tries to return to his old one, and Sally's newly acquired powers send her to a strange place in time where something horrifying appears to have happened to a mysterious little girl.
Aidan and Kat's human relationship continues to grow more serious, even though he's finding himself caught up in his vampire relationships. Josh and Nora meet a couple who reminds them of a future they might one day have. Sally enlists the help of an old friend to try and solve the mystery of the girl she calls "Lil' Smokie."
Aidan and Kenny have a night of drinking to help Aidan forget a recent loss in his life, while Josh and Nora throw a baby shower for their new wolf friends that quickly gets out of hand. Sally jumps around in time to learn surprising things not only about her roommates, but also about her new abilities and what they mean in regards to her future.
Josh wakes up to a surprising discovery that shatters his life, as well as the future he's planned with Nora. Aidan reconnects with Suzanna and remembers the life he once had while trying to stave off his hunger. Someone from Sally's past resurfaces with news that not only sends her jumping back through time, but will also change her and the roommate's lives forever.
Sally goes to Donna for help with her latest loss and learns more than she bargained for. Aidan and Suzanna come face to face with the truth about their tumultuous past, and Josh and Nora seek help from an old friend in an attempt to bring Josh back to who he was.
After using magic and getting stuck in the past forever, Sally learns that she can possess herself, and realizes that by trying to change the past to match the present, she has forever changed her and the roommates' futures.
Sally tries to right her wrongs and free herself from the past she's stuck in, but the only way she can figure on doing that is by magically transporting herself to the present and seeking the aid of an old foe.
Josh struggles to get Nora back in his good graces, and finds himself sucked deeper into the world of wolves whether he likes it or not, while Aidan and Sally find their bond as friends turning into something more, even though his relationship with Suzanna has taken a new turn.
Aidan, struggling with the most recent death in his life, helps Kenny with the idea of getting out of town. Sally and Nora help Josh conquer his wolf, while also dealing with both the new pack, and the dead little girl who's been on Sally's mind for the past few months.
As moving day finally arrives, the roommates discover they aren't the only ones struggling with leaving the house, and a once-looming threat takes center stage, bringing with it a trail of death and destruction that no one is safe from.
Sally makes a major sacrifice to keep her vision of Aidan killing Josh from coming true, the consequences of which changes Aidan's life forever as he fights to destroy the house's evil spirit. Meanwhile, Josh and Nora consider their future as parents, and everything comes to a heartbreaking conclusion for the roommates we've come to know and love.