Based on a true story about Soviet spy Lev Manevich. He lives in Italy and operates in the Nazi Germany and Austria. Manevich, who is posing as a businessman, collects information about the latest German airplanes made by Messerschmitt for Luftwaffe. On his spying trip to Berlin, Manevich noticed that a stranger was following him. Now his life is in danger, but he must do something to complete his mission...

Makartsev, who is serving a sentence for theft, suddenly confesses to a murder he once committed. The case is entrusted to investigator Sukhareva, who in the course of the investigation becomes convinced that many of the possible participants in the murder have put an end to their criminal past. However, some of them deny their involvement in the murder, which, as it turns out, and was not. The victim of the crime, whom everyone thought was murdered, is alive. The court must find out the degree of guilt of people who have long repented for the crime they committed.