A wrestler is arrested on suspicion of assault, but his son manages to capture the real culprits.

Hurricane Ramirez is the new manager of the arena and champion of the ring. He must battle with The Prince, a ruthless criminal who will try to end with his life.

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.