When the apocalypse hits, an eerie white fog engulfs the world, and monsters run rampant. Deliveryman Ian Colt awakens the unique "OmniEnhance System" and upgrades his beat-up truck into a deadly Doom Engine. He teams up with a surgeon and an electrical engineer to fight monsters and ruthless warlords, surviving both the horrors of the apocalypse and the malice of humanity.
