An abandoned baby was found in the park with a note indicating the abduction of his mother. Soon, investigators manage to find the husband of the missing. It turns out to be the famous writer and author of detective stories Anna Simovskaya. Following the clues transmitted by the mysterious attacker in numerous notes, Bobrova and Seleznyov find the apartment where he kept his victim.

The Sedykh group is investigating the rape of the young Sveta Savelyeva. Thanks to the local precinct Korshunov, Pankratov and Bobrova learn that shortly before what happened, serial rapist Oleg Trunov, who had previously always attacked girls with his partner, had been released, kidnapping his victims in a car.