Oleg Efremov is an impressive middle-aged man, whose life turned somewhere wrong there... He wanted to become a doctor and save lives, but he works as a pathologist, wanted to find a soul mate and get married, but was left alone, wanted to move away from his mother, but still lives with her. He comes to a new park hotel to take a break from his job and his mother. However, on the second day, he accidentally kills a young girl, after which he tries to hide the crime. And the biggest mystery in the whole story is that the girl's spirit came to his aid. He gives advice on how best to hide the murder and reveals secrets about the events of Oleg’s past. He is so friendly that he is even scary... Why did he decide to help? Maybe it is a hallucination because of the load of guilt? Or maybe Efremov also died? He will know everything when the time comes...