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.

Killed by fire inspection inspector Paul Buranov. The examination showed that on the eve of death he was eating delicious caviar beluga, and the widow is the recent visit of Paul to the fish restaurant "Heron" and poisoning. Soon it becomes clear that the owner of the establishment Anton Gorokhov lost it in the night of the murder Buranova. Of his bride and the employee, "Heron," the investigators found: on the day of poisoning by mistake Buranov inspect their restaurant, although it should have come with check personnel Rospotrebnadzor.