Marek (Jirí Holý), formerly a driver of a long-distance lorry, has served his term for smuggling art works abroad and is released from jail. Years ago, he sacrificed himself and confessed his guilt on behalf of his companions - the drivers Krása, Jelínek, Hess and Novák from the Ministry of Culture who gave them tips. Marek finds Hess and tells him that now he expects the gang to compensate him for the wasted years of his life.

Nineteen-year-old Pavel Kříž spends all his free time in Prague's arcades, bistros and discos with a group of thieves called Roby. Pavel has a high school diploma, but works as a window cleaner, and a large part of his income comes from the scams, scams and thefts of Roby's crew, to whom he supplies guaranteed tips. So he's not too happy when the cleaning manager assigns him a young temp, Jana Hálková. Although the girl makes no secret of her distaste for Pavel's way of life, a fragile emotional bond develops between them. But this cannot last in the environment in which Pavel moves. The young man gets into more and more trouble - part of Roby's party is caught by the police and he cannot find the money to pay back the debt. The situation escalates when a group of thieves kidnap Jana...