Culiacán 1937, Pedro entertains a party, María Luisa and María Izaguirre, do not take their eyes off him. Pedro invites María Luisa to dance, without suspecting that with her he will live the happiest moments of his life, but also the greatest disappointments.

Thanks to the radio, Maria Luisa discovers that women are crazy about Pedro and guide him to success. Pedro becomes more confident, while Maria Luisa is unable to give Pedro what he most desires.

Pedro decides not to return to María Luisa. At the Follies Theater, where Pedro works, a new star shines, Lupita Torrentera, who immediately notices him. But María Luisa is willing to do anything not to lose him.