Early in the morning, in the backyard of a cafe, a police squad finds Gennady Ogryzkin, a man of no fixed abode, next to the corpse of a famous businessman. It would seem that his fate is predetermined, but he escapes from the police station and, in order to prove his innocence, begins his investigation, which leads to unexpected results. In the course of his research, Ogryzkin not only finds the killer, but also regains his real name. Intrigues, adventures, unexpected turns and a lot of sparkling humor throughout this story await the reader throughout the detective story.