Is becoming a woman analogous, in some deep psychological way, to becoming a werewolf? Ginger is 16, edgy, tough, and, with her younger sister, into staging and photographing scenes of death. They ve made a pact about dying together. In early October, on the night she has her first period, which is also the night of a full moon, a werewolf bites Ginger. Within a few days, some serious changes happen to her body and her temperament. Her sister Brigitte, 15, tries to find a cure with the help of Sam, a local doper. As Brigitte races against the clock, Halloween and another full moon approach, Ginger gets scarier, and it isn t just local dogs that begin to die.

Brigittes on the run from Bailey Downs, and she tries to prevent what happened to her sister, Ginger, from happening to her by shooting up with monkshood. Eventually she collapses and the police that find assume the monkshood is an illegal drug, and she is sent to rehab. She is deprived of the only thing that will stop her from turning into a beast and killing everyone and everything in her way. She meets a girl who is quiet and not wellliked, and much like herself, by the name of Ghost that helps her deal with her new problem and to escape the werewolf curse.