Framed for assassinating the Grandmaster, the Lost Ninja Clan must battle their way up an underground nuclear bunker filled with hordes of supernatural enemies, mutants and flesh eating zombies. Trapped a thousand feet below the earth's crust, these ninjas will face hell.

Left for dead on a sun-scorched planet, Riddick finds himself up against an alien race of predators. Activating an emergency beacon alerts two ships: one carrying a new breed of mercenary, the other captained by a man from Riddick's past.