In a small western town, a father obliges a doctor to separate two conjoined twins in a very hazardous operation. One of the children dies but years after seems to have survived as his brother's second personality.

• Ataka Films Producciones
• Mario Almada
• Eric del Castillo
• Rosa Gloria Chagoyán
• Luis Mario Quiroz
• Roberto Cañedo
• Alicia Encinas
• Alfredo Wally Barrón
• Ramón Menéndez