Francisco Olivetti (Gabriel Corrado) is a prestigious lawyer whose career is based on ethics and moral values, always dedicated to defending those most in need. He lives a marriage of ups and downs with Fatima Pellegrini (Catherine Fulop), a woman who endangers the happiness of the family due to her bipolarity. They are both parents of Mercedes Olivetti (Brenda Asnicar), a somewhat spoiled girl, but with a good heart.