"Wszystko na sprzedaz" was filmed in memory of Polish film star Zbigniew Cybulski who was killed by a moving train at the peak of his career, just like the "invisible" and much-talked-about protagonist of the movie.
The theme of the film "Wszystko na sprzedaz" (z with point is not supported !) is initially an unexplained disappearance and then information about the death of a well-known Polish actor. We learn about his life from the accounts of people close to him. The actors appear in the film under their real first names. Neither the first nor the last name of the actor who died trying to jump off the train is mentioned in the film. Polish viewers and other moviegoers know that the actor to whom the film is dedicated in the first narrative layer is Zbigniew Cybulski.