Troubled by bouts of sleepwalking and disturbing nightmares, graduate student Sarah Foster goes to her university sleep research center for help. But when she wakes up after her first night of being monitored, the world …

After committing a series of multiple murders, a neurologist visits an incarcerated killer, living in exile. She studies him and his brain and discovers the horror that lurks behind his violent impulses.

Just days ago, Elizabeth Derby (Heather Graham) was a successful psychiatrist with a loving husband and the world at her fingertips. Now, she finds herself locked up inside a psych ward after the murder of a young male p…