Needy is a reserved bookworm. Her best friend is Jennifer, a conceited cheerleader. The two share little in common. They share even less in common when Jennifer mysteriously gains an appetite for human blood after a disastrous fire at a local bar. Soon, Needy's male classmates are steadily killed off in gruesome attacks and she must uncover the truth behind her friend's transformation and find a way to stop the bloodthirsty rampage before it reaches...

LAPD detective Erin Bell was, as a young cop, placed undercover with a gang in the California desert with tragic results. When the leader of that gang re-emerges many years later, Bell must work her way back through the remaining members and into her own history with them to finally reckon with the demons that destroyed her past.