A man (Arroyo Carrillo) is sent to Europe on a diplomatic mission. The ship in which he travels is sunk by a German submarine. In Mexico, his girlfriend Lupita (Cota) receives a telegram with the news and looks for relief in La Virgen de Guadalupe, saint patron of catholic mexicans. After reading a book about the Virgin legend, Lupita falls asleep. Next morning, she receives good news, her boyfriend is alive. Together they go to La Villa del Tepeyac (a church devoted to La Virgen de Guadalupe) and thank for the miracle.

An Austrian military officer and roue' attempts to seduce the wife of a surgeon. The two men confront each other in a test of abilities that ends surprisingly.

A young girl, pursued by a band of conspirators, hides in a movie theatre where she watches the film Cabiria. She determines to seek the aid of that film's strongman, Maciste. When she locates him, he helps her overcome her enemies, but not without many thrilling and dangerous adventures.

A potentially violent patient in an insane asylum is calmed when he hears a nurse playing the piano. But shortly afterwards he breaks free, eludes his pursuers, and acquires a gun. He soon comes to a house where a young wife is home alone, and there is a tense confrontation.

The physician's death orphans his two adolescent daughters. Their older brother is able to convert some of the doctor's small estate to cash. But it is late in the day, and with the banks closed he stores the money in his father's household safe. The slatternly housekeeper, aware of the money, enlists a criminal acquaintance to crack the safe. She attempts to get into the adjacent room where the sisters tremble in fear, but finds that the door is locked. The drunken housekeeper menaces them by brandishing a gun through a hole in the wall. But the resourceful girls use the telephone to call their brother who has returned to town. He gets the message and organizes a rescue party.