Former GRU colonel Viktor Kukushkin and a crime boss named Bob have old scores. At one time, Bob even tried to eliminate Victor with the help of a killer. Then the special forces managed to outwit the bandit. Now the authority is preparing compromising evidence on the colonel in order to put him behind bars. But Kukushkin does not sit idly by either. He learns that Bob is hunting for a strong psychotropic substance that can cause a man to be violent. The colonel decides to trap the enemy with this drug. But the detailed plan unexpectedly fails...