The problem of companionship marriages , i.e. marriages determined by purely practical rather than emotional motives, is addressed with all its pros and cons using two relationships . The four protagonists are the student Erich Helmholz and his wife Elli, a seamstress, both a happily married but not in love couple, and the consultant's daughter Maria, who comes from the best "stable" and who, in her ignorance, first allows herself to be impregnated by any man (without really understanding how this could have happened) and then, under pressure from her horrified parents, enters into a companionship marriage with another man who has brilliant career prospects.

On the coast of Yugoslavia lives fisherman Ivo Kralj, his wife Marie, son Vuk, and Ivo's mother in one happy home. Marie, who loves her husband and always looks forward to his return from sea, attracts Nikola, with whom Ivo, out of jealousy, has a scuffle at a dance. After the outbreak of World War I Ivo is mobilized. He ends up in a P.O.W. camp where he is subjected to hard labour. His family then receives news of his death. The years pass and the lonely widow Marie is occasionally visited by her friend Nikola. Ivo's mother would like her to remarry. Soon after the wedding Marie becomes pregnant. Ivo, who has been thought dead, succeeds in escaping the P.O.W. camp where he has spent several years. Upon his arrival home he finds his name on a memorial erected to the victims of the war...

Based on an anonymous letter about Margot's fiancée's infidelity, the factory owner Hora hires detective Pejsek. His investigation then reveals Margot's efforts to obtain money from the factory owner for her lover Pepito, a fake gambler and swindler. Pepito has lost twenty thousand and must pay the money by midnight. At a fashion show, Margot receives a check from the factory owner for the purchase of a fur coat, but accidentally puts it in the pocket of a fur coat that the saleswoman and model Eva secretly borrows after the show...