Judge Nesterov is a principled and honest worker of the judicial system. Over the years of service, he was remembered for his loyalty to justice, his unique instinct for real criminals and his scrupulous study of evidence of the guilt of those convicted. On the day of his 55th anniversary, Nesterov's relatives, friends, colleagues and friends gather at his home. During the celebration, his daughter Anya mysteriously disappears. In a missing person situation, the first 48 hours are the most critical. The best police investigator, Major Zabelin, takes on the case of the disappearance of the daughter of a respected judge. During the investigative activities, the dark secrets of Judge Nesterov begin to emerge. The life of Nesterov's minor daughter now directly depends on whether the respected judge can admit to his professional mistake.