There have been two successive murder cases in Tokyo where the victims were drained of blood after they were strangled and their carotid artery punctured. Saeki Shoji and the other detectives of the precinct investigate the deaths as murders by a serial killer. At that moment, a man with a big suitcase Misugi Akira and a mysterious beauty Maria alight from a midnight bus. They visit Maejima Yasuo, the owner of a
