A young man eagerly prepares for triumph as a boxer in a neighborhood gym with the firm intention of escaping poverty to marry his girlfriend, who sings in a nightclub.

• Producciones Sotomayor
• San Ángel S.A.
• Javier Solís
• Fernando Soler
• Sonia López
• Joaquín Cordero
• Oscar Madrigal
• Ramón Valdés
• Gina Romand
• Carlos León