This film was banned by the nation's ruling Communist party (who were supported by the occupying Soviet forces).

The film is about a bitter married couple that consists of Ludvík, a senior official of Prague's ruling Communist regime, and his alcoholic wife Anna.

Several strange occurrences, including the disappearance of their spare house keys and dead phone lines, lead them to believe that they are under surveillance by their own government.

As the night progresses, the flaws of their marriage and of each other are exposed.

1990 Cannes Film Festival - Nominated for the Golden Palm for Karel Kachyňa.