Igor is actively working with the task force. Two corpses were found, the cause of death was severe dehydration. Rodionova and her team are looking for a connection and possible witnesses to the crimes. At night, an unknown person climbs into Sokolovsky's apartment. In an attempt to catch up with the criminal, he narrowly avoids a bullet. A friend and partner of his father, Ignatiev, tells Igor about the existence of a certain note.