Three murder cases take place in Tokyo. Numbers are left at the murder scenes, possibly hinting at where the next murder will take place. An investigation begins of the serial killer and Detective Kosuke Nitta works on the case. He believes the next murder will take place at Hotel Koruteshia Tokyo. To catch the killer, Kosuke Nitta goes undercover and begins working at the front desk of the hotel. Naomi Yamagishi works at the front desk of Hotel Koruteshia Tokyo. She is selected to train Kosuke Nitta for his front desk job, but they can't get along. Kosuke Nitta is focused on catching the killer, but Naomi Yamagishi prioritizes the safety of the guests. As they begin to understand each others differences, they also begin to build a trust between each other. Who is the murderer?
as Kosuke Nitta
as Naomi Yamagishi
as Yoko Katagiri
as Kazuhiko Nose
as Masaharu Motomiya
as Eriko Yasuno
as Takuma Sekine
as Akihiro Kuga
as Mika Kawamoto
as Takahiko Ayabe
as Keiko Takayama
as Koichi Ono
as Furuhashi
as Tatebayashi
as Hiroko Kawa
as Political Commentator
as Man Who Cross-dressed
as Kenji Kurihara
as Testuro Takura
as Shinjiro Ozaki
as Yasushi Fujiki
as Tatsuo Inagaki
as Guest
