"Once upon a time there was a girl who was special. This is not her story. Unless you count the part where I killed her."

Sixteen-year-old Alison wakes up in a mental institution. As she pieces her memory back together, she realizes she's confessed to murdering Tori Beaugrand, The most perfect girl at school. But the case is a mystery. Tori's body has not been found, and Alison can't explain what happened. One minute she was fighting with Tori. The next moment Tori disintegrated-into nothing.

But that's impossible. No one is capable of making someone vanish. Right? Alison must be losing her mind-like her mother always feared she would.For years Alison has tried to keep her weird sensory abilities a secret. No one ever understood-until a mysterious visiting scientist takes an interest in Alison's case. Suddenly, Alison discovers that the world is wrong about her-and that she's capable of far more than anyone else would believe.