主演：路易斯·阿瑟维斯·卡斯坦尼达 Fanny 弗朗西斯科·雷格拉 Estela 玛格·洛佩兹 Maruja Silvia Roberto 罗多尔福·阿科斯塔 Miguel
简介：Mercedes (Marga Lopez) dances for money with the clients of Salon Mexico, a famous cabaret in Mexico City. Her younger sister Beatriz (Derbez) studies in an expensive private school, paid by Mercedes. Obviously, young Beatriz doesn't know about her s