Lydia Zapolskaya was convicted of murdering her husband. Her little son died in a boarding school while the woman was serving her sentence. Life is broken. But is Lydia really a criminal? Private investigator Konstantin Maksimov will have to figure this out. And then three personalities emerge who are directly related to this dark story. And this trio is terribly afraid of Lydia. And he’s right to be afraid. Because Lydia swore revenge. Cruel and merciless.