At an abandoned warehouse employee was found dead SES Konstantin Melnichenko. From the district Loginov and Peter have learned that the warehouse was a "point" of drug trafficking. Local dealer gave detectives Baskakov used needle, which is found in the warehouse, but experts have determined that it was she was made an injection of poison that killed Malnichenko. Who made the fatal shot?

In his bed was found dead the son of a prominent businessman, Andrei Generalov. The experts found that he had been poisoned by toxic chemicals contained in a regular milkshake. His wife, Sveta said she always cooked cocktail Andrew himself. Arriving at the funeral, Loginov, and Peter had to dive into the many mysteries of family life Generalov.

In his apartment was found slain with a dagger young journalist Nina Kharitonov. According to her friend Rita, Kharitonov has left her the night her daughter Zoe, to spend time with her lover, Dimitri. When confirmed alibi lover, Loginov and Peter begin to develop another version related to the disappearance of a computer, and family squabbles.