Twenty-five years ago, Elmbridge High School burned down. The blaze killed three and injured twenty, and one pupil, Carly Johnson, disappeared. For two decades, little was revealed about what became known as the Johnson Incident.Until now. A diary has been found in the ruins of the school. In this diary, Kaitlyn Johnson, Carly's twin, tells of the strange and disturbing sequence of events leading to the incident. But Kaitlyn doesn't exist. She never has.