Maddie and 拖車殺手Abi are twin sisters, and famously the only victims to ever escape the notorious serial killer known as The Mechanic.　　Years after their near escape, The Mechanic is finally scheduled to be executed for his horrific crimes, but what should be a moment of closure for the sisters ends up unleashing something far more insidious. As they try to leave behind the trauma of their experience, their connection to The Mechanic haunts them and begins to slowly take over their minds…