Esperanza and Maria Jesús are two orphans because their father, Don Fernando, dies. He shared his buissines with Martina Echave, an old lover, who hated him because she has always wanted to marry him. Esperanza and Maria Jesús fall almost into ruin for Matinas' handling. They had to take refuge with their aunt.

Esperanza is Martinas' soon's girlfriend against her will, and they have a stormy relationship because José Antonio is also in love with her.