It's not even an emergency, it's a disaster! During an investigative experiment, serial maniac, murderer and rapist Baratov made a daring escape. The beast, whose capture took so much effort, nerves, sleepless nights, is free again... The famous analyst Drongo warned that this was possible, but they did not listen to him - and now everything has to start all over again. In order to calculate the moves of a maniac, you need to “become him”, understand his logic. And Drongo succeeds. He even finds out who will be the killer's next victim. But how to stop Baratov? And then the maniac himself calls Drongo...