Jacob the Liar
(1975)

Jacob (Vlastimil Brodksy) finally confesses to his friend, Kowalski (Erwin Geschonneck), that there was never any radio.

The next morning, Jacob discovers that Kowalski has hanged himself in the window of his barbershop.

Then Jacob, Lina (Manuela Simon) and the remainder of the Jews in the Ghetto are ordered onto a train bound for a concentration camp.

Thanks Julian!