Zmowa: Christmas Eve night of 1976. In a village in the newly formed Tarnobrzeg province, a local bus hits a young married couple and a twelve-year-old boy. In the presence of numerous witnesses, the victims are beaten to death with a wheel wrench. In the aftermath of this crime, all the villagers are united by a conspiracy of silence. The dramatic scenario is freely based on the authentic case of the shocking 1976 Polanieck case.