In a post-apocalyptic wasteland riddled with gangs on a distant planet called Big Rock, super-powered monsters are fighting for supremacy. Planetary destruction is imminent, but HE was sent to stop it. Junkskull is a being created by the planet Big Rock itself, with a mission to restore peace to the land. Along the way he meets allies - Bgawk and Draggen, that help him fight bizarre enemies and navigate his way around this strange world.