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.
Jack is a widowed "end-of-the-roader" struggling with his continued depression as he falls for Ruby, a passionate environmental engineering grad student who is embroiled in a poisonous waste controversy that threatens to shut down the biggest industry in her state.