Private detective Tatyana Ivanova was approached by official Boris Krainov, whose daughter Anna was found dead at her own dacha. The grief-stricken father believed that the official investigation was marking time, and asked Tatyana to find the culprit of the incident as soon as possible. Ivanova immediately realized that the new investigation would be like a quest, when nothing is clear from the very beginning, she will have to communicate with many witnesses, each of whom is not telling something, look for clues and somehow combine them with each other so that with their help solve the search problem. But Tatyana could not even imagine that with the appearance of each new character - husband, girlfriend, stepmother, sister of the murdered woman - the certainty would arise: this is the killer! After all, everyone had complaints about Anna...