Do you believe in ideal men?! Sergey Mertsalov was exactly one— a brilliant surgeon, a talented businessman, a loving husband and father, an exemplary son… But all of that is in the past. Sergey was found murdered in his own yard, where he was walking the dog. Someone has been watching Sergey lately. Just the same, as someone was watching Klava Kovaleva— a poor lonely woman, a former orphanage child. And during the investigation, very unpleasant facts come to light: the myth of ideal man Sergey Mertsalov is shattered—besides his beloved family, he has a woman and an illegitimate son. So what other shameful acts did the murdered man commit? And what “sins” does Klava, the orphanage girl, have on her account, if by the whim of an unknown executioner she was supposed to live only a few more days…