Two young men are training for a rowing race on the Tiber. One of them, "Marco" is distracted by a new found love.

In Milan, the beggar Carlone has formed a brotherhood. Carlone's sister Anna, is a poor blind girl. One day Carlone saves a mutilated, who tried to end his days.

"Law of Blood" - Rosa has been engaged for years with Antonio. But Antonio is in the military service and Rosa is seduced by Alberto. Returning to the village, Antonio learns what happened during his absence.

A woman, a theatrical impresario, simulates the theft of a precious necklace for marketing purposes. A young singer living in the province is believed to be responsible for the theft and is arrested.

A young woman teaches commercial writing and makes her students practice by writing letters addressed to an imaginary recipient from Vienna. One day, the love letter the woman writes to this non-existent man is accidentally sent by one of her students –and falls into the hands of a real person.

German all-star musical from 1938 that was a big commercial success.