Private detective Tatyana Ivanova can’t refuse to help her former classmate Natka, whose beloved husband has disappeared after going to fish with friends. A successful businessman seems like a tasty morsel for kidnappers and blackmailers. And of course, the famous detective first develops exactly those versions. But all of them crumble one after another, never leading even an iota closer to the mystery of the man’s disappearance. In the end, Tatyana realizes that there’s nothing left to do but start the investigation from the beginning…