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".

José Emilio Pineda
as Carlos Peña 'El Completo'

Enrique Olivar
as El Curricán

Alberto Islas
as El Rorro

Antonio Mendoza Botello
as La Pulga

Parkey Hussian
as Jaime Peña

Saúl Zamora
as Chimbomba

Arturo Amaro
as Cuadrado

Carlos Smith
as El Gringo

Jorge Vidal
as El Pato

Manuel Pineda
as El Trompo