Such a product on the black market is worth its weight in gold. There is a shortage of human donor organs in the country. Boris Semin - one of the best detectives of MUR, led a group of operatives engaged in the capture of the murderers of adults and children in order to sell their insides ... An unknown, well-organized gang is brazenly operating in the city. There has already been a fifth series of murders. This time, two children's disembowelled bodies were found on the bank of the river ...