The film is a summary of the series of the same title. It talks about the war between Pruszkow and Wołomin during the last dozen years. It recalls the most interesting figures of the two gangs: "Masa" - Poland's witness number one, "Pershing", "nightingale", "Kiełbasa", "Słowik", "Kiełbasa", "Dziad" and "Wariat".

Blacha, an ex-middleman in the criminal underground, is the key witness in an enormous Pruszkow mafia bust. As such he is kept under lock and key hidden away from the world. Intent on getting an interview with the ex-gangster is Marcin Kruk, whose pregnant wife was collateral damage in a mafia car-bomb several years back with Blacha being his main suspect. Fortunately Blacha holds Marcin's journalistic work in very high regard, hence agrees to an exclusive interview in a secluded hotel in the Hel peninsula. There he retreads his criminal life...