The graduating class at Osborne High is being targeted by a masked assailant, intent on exposing the darkest secret of each victim, and only a group of misfit outsiders can stop the killings. Makani Young has moved from Hawaii to quiet, small-town Nebraska to live with her grandmother and finish high school, but as the countdown to graduation begins, her classmates are stalked by a killer intent on exposing their darkest secrets to the entire town, terrorizing victims while wearing a life-like mask of their own face. Makani, with her own mysterious past, joins her new classmates to try to discover the killer because they become victims themselves.