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.

Leslie Bennett's extramarital affair with George Nelson spirals out of control when Hammond abandons Leslie for the alluring native woman Li Ti. Foreign language version of the 1929 Jeanne Eagels film “The Letter.”

Due to a rail accident, the passengers of a train had to be housed in a nearby town while awaiting the arrival of a relief convoy. In the train were traveling Alicia and Paul, a couple who will marry soon, along with her ​​mother, and George, a mature man who looks for a woman he loved. Due to the accident, they will have to spend the night there, where chance lead to a series of events that make the passengers no longer be the same.

Original adaptation of the novel by its director, Alejandro Pérez Lujín, centered on the university adventures of a young man studying abroad who stays in a boarding house known as The House of Troy.