In May 1945, a woman in Marienbad reports a murder - committed in 1933 against the German emigrant Professor Lessing. She also names the murderer. Against the wishes of his superior, who does not feel responsible for this case - it was a fascist femicide - Inspector Šedý picks up the trail and arrests the murderer, the German Eckert. Eckert was a fugitive at the trial in 1933, and now the evidence is no longer available. Nevertheless, Šedý does everything he can to convict him. He finds witnesse...