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".

• Producciones Carola
• José Emilio Pineda
• Enrique Olivar
• Alberto Islas
• Antonio Mendoza Botello
• Parkey Hussian
• Saúl Zamora
• Arturo Amaro
• Carlos Smith