Devastation. Mutation. Termination.

Framed for assassinating Grandmaster Fumitaka, the Lost Ninja Clan must battle their way through an underground nuclear bunker filled with hordes of supernatural enemies, mutants, and flesh eating zombies, pursued by Hiroshi's unstoppable Ninja army, with orders to hunt them down. Trapped a thousand feet below the Earth's crust, the Lost Clan will face hell. The bloody, action-packed fantasy, martial arts, action film delivers a non-stop heart pounding, adrenaline-injected thrill ride.