Accountant killed a boarding school for troubled teens Lavrent'ev. After talking with the director, Loginov and Peter learn that before the tragedy at the accountant had a conflict with the pupils - and Sergey Kravtsov Gleb Vasyutin. But the evidence against them insufficient. Soon it becomes clear that immediately after the murder took Kravtsov a friend's jacket, because his clothes were smeared with blood. Investigators are rushing to arrest, but too late: Hleb is dead.

In a hotel room in Moscow killed a sales representative pharmaceutical company "Salvus" Andrew Schrader. When it discovered the drug "Factor 8", used to treat diabetes. Looking around the body, investigators noticed that the dead man had disappeared from the hands of the clock. Loginov found that on the eve of the tragedy Andrew met with the doctor of the Russian Embassy in Thailand Akimov. Occasion was very unpleasant - the party of "Factor 8", infected with the AIDS virus.

In suburban hotel room was found dead a young student, Natasha. From a friend, slept with her, and Loginov, Peter learned that on the eve of the girls had fun at the nearby bar, where he met with young people and Dima Pasha. Late for the train, her friends had to stop at a local hotel, where they kindly drove a taxi driver, always running around a local bar. Immediately alerted investigators that she clearly remembers only a few details last night.