Can a person suddenly go crazy? After what happened to the Gromovs, the mediator may be declared insane or sent to jail. Sasha, who is being held in the same psychiatric clinic, is clearly not herself. And Masha guesses what the reason is and who is involved in it. There are people who make serious decisions, but remain out of sight. It's time to bring them out of the shadows. But Marina is not happy about her discovery. She doesn't know how to react to her mother's secret. Pavlov has little choice - prison or psychiatric clinic. And Masha is on the trail of those who have been trying to keep a low profile all this time.