Charlie, a notorious serial killer known as the Midnight Mangler finds himself trapped, reliving the same violent night over and over. Initially embracing his grisly urges, Charlie soon becomes desperate to escape the endless nightmare.
In 1988, Bailey, Quinn, Keith, and Mac, a group of young students, choose to visit an old villa in the countryside to complete a school research project. Little do they realize that hidden within the mansion lies an ancient demonic text.