After a mysterious leader imposes his law in a brutal system of vertical cells, a new arrival battles against a dubious food distribution method.

A slab of food descends down a vertical facility. The residents above eat heartily, leaving those below starving and desperate. A rebellion is imminent.

During an exclusive tour, a power breakdown inside a secret prison known as the Death House sends two agents fighting through a labyrinth of horrors while being pursued by a ruthless army of roaming inmates. As they fight to escape, the agents push toward the lowest depths of the facility where they learn a supernatural group of evil beings is their only chance for survival.