Troubled divorcee Mary Kee is tormented by a series of sinister phone calls from a mysterious woman. When the stranger reveals she's calling from the past, Mary tries to break off contact. But the caller doesn't like being ignored, and looks for revenge in a unique and terrifying way...
When Anna Wyncomb is introduced to an underground, all-female fight club in order to turn the mess of her life around, she discovers she is much more personally connected to the history of the club than she could ever imagine.
