The famous soprano Marta Vélez decides to retire from the operatic stages to rebuild her marriage. Her husband, a heartless scoundrel, tries to swindle a large sum of money from her. But when his scam fails, he devises a plan to kidnap their daughter and get her mother to pay a ransom. Before the inevitable divorce of her parents, Mari-Tere, the child, is in an unexpected "no-man's-land", waiting for someone to love her.