When a severely wounded young woman is brought in to the emergency room Sara Linton finds herself drawn back into a world of violence and terror. The woman has been hit by a car but naked and brutalised its clear that she has been the prey of a twisted mind. When Special Agent Will Trent of the Criminal Investigation Team returns to the scene of the accident he stumbles on a torture chamber buried deep beneath the earth. And this hidden house of horror reveals a ghastly truth-- Saras patient is just the first victim of a sick sadistic killer.
