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.

The banker and his wife murdered, kidnapped from their hiding-place a large sum of money. The first falls under suspicion of their son, a drug addict, but he denies his guilt. Then attention switched to the consequences of a drug dealer who threatened his son with death banker. But the young detective Shchedrov, convinced of the guilt the addict continues to prosecute the son of the deceased couple, and detaining the young man, knocks out his confession.