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.