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.

One day in the life of a simple Soviet family. Spouses Stepanov's on that day decided to terminate the marriage, for which they need to appear in the people's court. This day is not the most successful for them. They leave their little daughter Dunya to the brother of Nadya Stepanova — Nikita. But for him this is also not a very successful day: recording on the radio, an exam at a theater institute, and even a quarrel with his girlfriend...