22-year-old Serena Cross grows suspicious of her best friend and roommate, Ashley Colson, after noticing unusual marks on her. Driven by concern, she follows Ashley one night, unknowingly stumbling into a hidden world. Serena discovers that Ashley is not the college student she appears to be, but a werewolf. The party Serena sneaks into is teeming with more of these supernatural beings. Guided and shielded by the protective and handsome Alpha Xavier, Serena must keep her wits about her to survive the evening. As dawn approaches, Serena is confronted with a decision that could alter her life forever, and stir emotions she didn't know she had.