Andrés' parents, in Madrid, and Pierre's parents, in Paris, have agreed to a school exchange for their children during the summer. However, when they go to the station to pick up Pierre, 10 years old, they meet an attractive young woman who takes his place. The presence of Ivette is a shock to the family, especially for the older son, who is strongly attracted to the French.

Nine children, awarded for their exemplary or heroic conduct by the radio program 'Operación Plus Ultra' in association with the Iberia Airline, meet in Madrid,. Chaperoned by Juan Aguilera, radio announcer, they start a journey together to different places from the Vatican, where they meet the Pope, to Sitges

The greedy relatives of a paralysed 45-year-old amnesiac millionaire go to extreme lengths to help him recover his memory.

Doctor Ariel comes from a family that for several generations, once they reach old age, have decided to commit suicide because they lose the will to live. This situation affects the doctor greatly and therefore he decides to study the psychology of the fatalistic subject and invest the monetary fortune he has to create a clinic called "El Hogar del Suicida" with the purpose of providing help and rehabilitation to those who need it and, in case of failure, provide the individual with the necessary means to fulfill its purpose. With the passage of time, the home is home to sorrowful characters with a vocation to end their lives.

Your job as a hostess in Malaga allows Hippolyta meet many men. One of them is a Chinese traveler, just in time to take her to her room, is killed. So, the blame falls on another Hippolyta customers.

In North Africa, Captain Valcázar and Lieutenant Herrera's harka, great friends, stands out for its heroism in actions. The wife and the sister of a dead Captain travel to Morocco. At the time, Herrera falls in love with the sister in law, Amparo, who wants to return to Madrid. So does the lieutenant, but soon learns the harka has been undone in combat and the Captain Valcázar died with it. Herrera runs to take charge of the harka to reorganize it.

Arturo Salazar is a powerful businessman who wants to be related to the nobility, so he asks an aristocratic friend to find him a blue-blooded bride.

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.