The world of Eternia in the aftermath of Skeletor’s war on Castle Grayskull, which he has won after seizing Grayskull and the surrounding city using a cosmic key developed by the locksmith Gwildor. The Sorceress is now Skeletor’s prisoner and he begins to drain her life-force as he waits for the moon of Eternia to align with the Great Eye of the Universe that will bestow god-like power upon him.

A detective specializing in missing children is on a madcap mission to save a youth with mystical powers who’s been abducted by an evil cult. He battles a band of super-nasties, scrambles through a booby-trapped chamber of horrors and traverses Tibet to obtain a sacred dagger.