Mercedes works as a cabaret performer to pay for her sister's studies. Problems begin when Mercedes and Paco, her exploiter, win a dance contest, but he refuses to share the prize with her.

• Clasa Films Mundiales
• Marga López
• Miguel Inclán
• Rodolfo Acosta
• Roberto Cañedo
• Mimí Derba
• Carlos Múzquiz
• Fanny Schiller
• Estela Matute