For her first day of orientation, Dr. Tristian Mackenzie makes her way to the Silverdale Psychiatric Hospital for the criminally insane, where she learns of the strange series of cases from the similarly strange Dr. Moon.
A single mother moves her daughters into her late grandmother's farmhouse, hoping for a fresh start. After finding an old Ouija board, strange events begin to escalate, and a presence emerges that won't let them leave.