Disappointed with her life so far, Irena leaves her husband Zenon and leaves for Paris . He lives a free life there with his lover Duval. The millionaire Geist, her secret admirer, who insidiously led to the separation of her husband, being his false friend, learns about it. Desperate Zeno, who tries to commit suicide, enters the care of nurse Nelly, who also looks after little Tola; an emotional bond is born between them. Meanwhile, Irena, summoned by a millionaire planning a wedding with her, returns to Warsaw , where further complications arise between her, Geist, lover and husband.

The film presents the problem of women forced into prostitution abroad. Marysia Żurkówna is looking for a better life, she believes that when she leaves, she will go to a better world. A terrible disappointment awaits her. The "kind" people who organized her departure have prepared a cruel surprise for her - she is to become a prostitute. What can a lonely girl in a foreign country do in such a situation?