Men are turning up dead after receiving anonymous threats that include the date of their deaths. The latest person to receive one of these threats decides to call Santo the crime fighting wrestler for help. Santo must solve the mystery of the men's murders and confront a gang of Nazis operating in Mexico City.

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".