Bruno Volta is a real specialist in solving puzzles and seeing through people inside out. One day his sense of figuring things out and earning money is put in a state of readiness.
His much younger partner Agnieszka meets a girl called Vicky under unusual circumstances. The new friend finds a mysterious and extremely precious object in the wall of an old building. Volta cannot miss opportunity worth millions.
Together with his bodyguard Dycha, Volta decides to hit the jackpot and he will do anything to take possession of this extraordinary thing. But it will not be easy, because the innocent Vicky is in fact a strong opponent.