Tadashi Kai

Six high school tennis clubmates, including railroad investigator Noriko Hanamura, are going on a day trip to Kawaguchi Lake. However, one of them, Ayako Hirayama, does not show up even after the arranged time for the meet-up has passed. Magazine writer Yumi Tachiki, who planned the trip, calls Ayako but gets no answer, so Noriko and the others, believing Ayako will catch up with them, proceed to their destination. Even though Yumi and Noriko call Ayako many times, she does not answer. Yumi receives an urgent work request after arriving at Tenjozan Park by ropeway, so Noriko and the others return to Tokyo leaving Yumi at the mountain. None of them had any contact with Ayako the entire day. That night, Noriko receives a call from the Yamanashi Prefectural Police informing her that Yumi's body has been found stabbed in Tenjozan Park. One of the ropeway employees happened to witness a mysterious woman wearing a hat and a mask following Yumi down the mountain trail that evening...

東京都羽澄市にある古民家で、住人・百瀬うの（田島令子）の刺殺死体が発見された。早朝、現場に向かった警視庁捜査一課の棟居弘一良（東山紀之）と神林武人（きたろう）は、第一発見者である“金髪フィーリア”（加藤夏希）から事情を聴く。彼女は被害者の義理の孫娘で、本名は“夏目初子”。うのの隣に住んでおり、元歌手という知名度を生かし、駅裏でバーを開いているという。フィーリアは前夜、店からうのの元に何度か電話をかけたが、応答がないため心配になって戻って来たところ、祖母の死体を見つけたと話す。

Employees at a convenience store must get to the bottom of supernatural goings-on occurring within their workplace.