When a shady transaction involving ancient artifacts goes awry, a henchman and his partner accidentally bring back to life the mummified corpse of an extraterrestrial they intended to sell. This resurrection is triggered by the blood of the slain dealer, Elridge (Darrow Igus). Now, the reanimated, bloodthirsty mummy escapes and finds its way to a psychiatric institution, which houses numerous alluring and voluptuous nymphomaniacs.