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 - Tadeusz's secretary who works in the enemy company. It turns out that Tadeusz is the father of Alex. Aleks' policeman comes in and follows every step of the boy.