Plagued by a violent recurring nightmare, college student Stefanie heads home to track down the one person who might be able to break the cycle and save her family from…

Plagued by a violent recurring nightmare, college student Stefanie heads home to track down the one person who might be able to break the cycle and save her family from…

Susannah Cahalan, an up-and-coming journalist at the New York Post becomes plagued by voices in her head and seizures, causing a rapid descent into insanity.