A celebrated cabaret singer, Rosa Lucena, is accused of killing Miguel, her dance partner. She is arrested, but not finding sufficient evidence of guilt, the judges decide to investigate her past, when Rosa and Miguel acted in a theater in Madrid and she fellin love with a young doctor, leaving his career for him. This situation has a direct impact on Miguel, which fails miserably with the withdrawal of his partner.

Rosa Lucena, una célebre cantante de cabaret, es acusada del asesinato de Miguel, su compañero de baile. Sin embargo, al no encontrar suficientes pruebas de su culpabilidad, los jueces deciden investigar su pasado. Se remontan a la época en que, actuando Rosa y Miguel en un teatro de Madrid, ella se enamora de un joven médico hasta el punto de abandonar su carrera artística. Tras la retirada de su compañera, Miguel fracasa estrepitosamente.