The Boxer Germán Bronco Torres loses his license, and works as bouncer at the cabaret El Pirulí, where he falls for the fichera Carmen, and befriends of the pimp Margarito Fuensanta El Vaselinas, who lost a bet and has to pay to a gangsters. For 500 pesos for El Vaselinas, Bronco prepares a trap in the cabaret to the taxi driver Raul, to seduce his girlfriend, not knowing that the victim is his own sister Lupita.
Jorge Rivero
as Germán "Bronco" Torres
Sasha Montenegro
as Carmen
Carmen Salinas
as La Corcholata
Eduardo de la Peña
as Vaselinas
Mabel Luna
as Muñeca
Rosa Carmina
as María Teresa
Leticia Perdigón
as Lupita
Rafael Inclán
as El Movidas
Enrique Novi
as Raúl
Víctor Manuel Castro
as Fabián
Raúl 'Chato' Padilla
as Don Atenógenes
Mario García 'Harapos'
as Toribio
