The heroine of the series, “Mrs. Investigator” for particularly important cases of the Moscow City Prosecutor’s Office, Klavdiya Dezhkina, is investigating the murder of an actor from one of the local theaters. At first, the case does not seem complicated: the killer is detained at the crime scene, the identity of the customer is known... But suddenly some documents and material evidence disappear from the investigation materials. The alleged killer is found in a prison cell with his throat slit. In addition, Dezhkina becomes aware that in the apartment of the murdered actor a real brothel was set up, equipped with hidden cameras...