People from all over the world spend their summer holidays at the Black Sea. German Walter and his girlfriend Gisela check in at the hotel as spouses. Walter uses the passport of his wife. The police find the body of a young woman washes up by the waves. Inspector Damyanov begins an investigation. Walter is not under suspicion, but he is ill at ease. It is because of his wife passport? Ex-Nazi officer Kunze has his own little secret and causes for worry. Dutch musician Jan has something on his conscience, too, after a little love with a Bulgarian girl. Having penetrated the unsavory secrets of all those people, Damyanov leads them to the conviction that it is difficult to live a life of deception.

Stoev, a talented architect is working in Rio de Janeiro. All along the design stages, Stoev's understanding has been that he would be going together with his assistant architect. However, the company chief secretly decides to change the terms and go instead of the assistant, threatening Stoev to cancel the whole deal if he doesn't comply. Stoev is left with the dilemma to betray a colleague and friend, or to miss the greatest opportunity in his career. When Stoev is about to choose the former, a mysterious dead body appears in his life.

Dimka is a married young woman who has everything: a new house and a car. But she is unhappy. She meets Grigor, who is different from the others. He loves music. They ignore the material well-being and the opinion of others. But Dimka can't stand it and returns to her husband to live in her own way.

Elka has a family and a house in the village, but she dreams of living in the city. To get an apartment, she gives a bribe to Maria. Maria is an honest woman. But she is forced to take a bribe to deliver medicine to her sick father. Elka became the cause of the degradation of an honest woman.