Mario Almada returns as "el fiscal de hierro", in this entry his family is kidnapped by gang leader Ramona Pineda.
When rancher, Don Trinidad is on his deathbed, he confesses to his fumbling son Rogelio, that he has two other illegitimate sons and that he wishes them to be included in his will. When Rogelio tracks them down, he discovers that each of them has a completely different life.
Those involved in the making of an amateur porn video end up getting slashed to death with a cane sword. It's up to the brave policewoman Eugenia aka The Scorpion (Maribel Guardia) to stop him.
A couple is attacked bu thugs and the woman is killed, the boyfriend plans his revenge.