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.

Cardoza's death, a candidate for mayor of a village chief enemy and Rosauro Castro, leads to Mr. Garcia Mata to undertake an investigation. Upon arriving realizes that even the whole town, including the mayor, lives in fear by the chief and only achieved revenge end the injustices committed by Rosauro Castro.

In a poor neighborhood in Mexico City, two gangs of kids fight for control of the center where they work as "boleros", musicians or announcers. "Completo" joins the gang led by "Rorro", a rival of the group headed by "Curricán".

With revolutionary Mexico as a backdrop, a successful local rancher returns triumphant from the war to the praise of townsfolk, and "El General" is ready to take a wife. However the senorita of choice already has fallen for a secret admirer, and a boyhood rival who is threatened by the General's popularity in turn plots against his life.