The movie describes proletarian life in the Czech Lands after World War I.

The fates of the women are repeated: the 16-year-old daughter of a 32-year-old mother is also pregnant. Like her mother, the child remains unmarried and fatherless. From him, the girl receives only an exotic postcard with the titular three camels...

The foolish Pedro is supposed to marry the beautiful Rosita, who is also attracted to the adventurer Pancho - during his journey to see her, Pancho finds himself in prison, where he is tricked by a cunning desperado who decides to win Rosita for himself.