Landru, a French businessman, arrives Mexico with the idea of ​​promoting their fighters, what nobody knows is that besides Landru promoter and fighter is a mad scientist who seeks to alter human genetics mixing it with the animal to make stronger and fiercer to their gladiators.

El empresario frances Landru,llega a Mexico con la idea de promover a sus luchadores,lo que nadie sabe es que landru ademas de promotor y luchador es un cientifico desquiciado que pretende alterar la genetica humana mezclandola con la genetica animal para hacer mas fuertes y fieros a sus gladiadores.