Jirka is a composer, his wife, Jana, a pianist. Jana would like to have an own concert, but so far she has only been selected to accompany Valenta during his concerts in Budapest. After some resentments, she accepts the proposal.
During the Nazi occupation of a Czech city civilians are being rounded up on the slightest of pretexts and shot. One day three high school boys who crack jokes about a recently deceased "hero of the Reich" are pulled out of school by the Gestapo.