Eugenia de Montijo, an extraordinarily beautiful woman, educated and intelligent daughter of the Count of Montijo, decides to start a European tour when she discovers that the Duke of Alba, whom she believed her suitor, actually intends for her sister. In Paris she meets Napoleon III, the future emperor of France, who is bewitched by the beauty of the young aristocrat from Granada

Nora leaves the convent where she has been raised to marry a relative. Just arrived she has an accident resulting in total amnesia. Her identity mistaken a new life begins for her, where she will encounter love, adventure and even crime.

The troubled story of the Churruca family, a noble lineage of brave seamen, descendants of Cosme Damián Churruca, the Spanish hero of the Battle of Trafalgar; from the Spanish-American War (1898) to the end of the Spanish Civil War (1936-39). (In 1950, a new cut of the film was released with less ideological depth and ten minutes shorter.)

Silvia Heredia, since her arrival to Madrid is staying at her best friends' house, Mary. Her aim is to work as a secretary of a famous novelist. But at night the house is full of people and they confuse her with the owner of the floor. A series of misunderstandings makes her meet Ricardo Ariaga, the musician whose opera "Life begins at midnight" is about to debut. Ricardo convinces Sylvia to act as his wife. With a "rented" child they try to be the perfect family of a lonely old man.