UltraViolet

Sixteen-year-old Alison has been sectioned in a mental institute for teens, having murdered the most popular girl at school. But the case is a mystery: no body has been found, and Alison's condition is proving difficult to diagnose. Alison herself can't explain what happened: one minute she was fighting with Tori -- the next Tori disintegrated into nothing. But that's impossible. Right?