After the mauled body of a girl shows up on the outskirts of Bear Valley in Upstate New York, Elena Michaels, the world's only female werewolf, is forced to choose between her new "human" life in Toronto with new love, Philip and her previous life with The Pack, at Stonehaven. Even though it's been a year since she abandoned her life among the werewolves, Elena still feels the sting of having forsaken her old world, while trying to build a new and "normal" life.

Tension grows between the Pack and angry locals when another victim is discovered. Meanwhile, old chemistry resurfaces as Elena and Clay work together to track the killer Mutt to a warehouse rave.