A detective and his cowboy friend team up to stop a mad scientist who is stealing the bodies of murdered wrestlers, and bringing them back to life while electronically replacing their minds with those of animals to make them stronger and live longer. Posing as a successful masked wrestler, the cowboy quickly attracts the attention of the scientist and his henchmen as their next experimental subject...
- Genre: Horror, Science Fiction
- Studio: Internacional Cinematográfica
- Keyword: mexico, mad scientist, police detective, gym, grave robber, murder investigation, sports arena, mind transfer, pro wrestling, secret laboratory, rampaging monster, human monster, lucha libre
- Cast: Wolf Ruvinskis, Carlos Riquelme, Crox Alvarado, Columba Domínguez, Eduardo Alcaraz, Yerye Beirute