Vicenta Verruguillo came to Madrid to work as a bridesmaid in the house of a doctor and falls in love with his son. The boy, to keep his family is left without service, follow the advice of his father and pretends to be in love with her. Meanwhile, his cousin Manolo, a likeable rogue, who works as a nurse, several maids dupes that get her salary every month because he has promised to buy a flat before marrying them.