Two broken, police, destruction of property by arson with an explosive charge, stealing a car. Not bad for one night. Such is the balance of Alex's eighteenth birthday - the main hero of the film.

Aleks was just eighteen. He celebrated his birthday day unbelievably: he fired an explosive, stole a car, helped to break up two police cars. He is not a hooligan, though. He implements crafty intrigue to take revenge on the man he hates. He intends to steal from the thick cash of the well-known businessman gangster Tadeusz, who is known to run dirty business. Sonia helps him in the implementation of the plan.