A psychological thriller centered on Sakai Yoichi, a freelance video director, and Mitsumi Kei, a piano teacher who moonlights as a serial killer. When Yoichi, who is stuck in his current situation doing small jobs to make ends meet, returns to his office, there’s a package waiting for him. Inside is a human finger, and the message for Yoichi to get in touch if he’s interested to “document his activities.” Yoichi was going to call the police, but after considering, he decides instead to contact the sender. The person he meets at the designated house is none other than pianist Mitsumi Kei. This encounter leads Yoichi to continue documenting the murders, but what awaits him as a result of this decision… remains to be seen.
In the year 995, due to a secret talk between Michinaga Fujiwara (Akira Emoto) and Seimei Abe (Terunosuke Takezai), Yorimitsu Minamoto (Kanji Tsuda) is ordered to subjugate ghost Shutendoji, who lives in Oe Mountain. Yorimitsu Minamoto and his men soon encounter difficulties in carrying out their mission due to the appearance of strangers. These strangers are handsome warriors Munechika Mikazuki (Hiroki Suzuki), Kunihiro Yamanbagiri (Yoshihiko Aramaki), Hasebe Heshikiri (Masanari Wada), and Toushirou Honebami (Fuma Sadamoto) and they are trying to protect history.
Parliamentary secretary Toru Washizu (Tsuyoshi Kusanagi) has devoted 20 years of his life to Kosuke Inukai, a member of parliament and cabinet minister. Toru works behind the scenes as Inukai's "shadow," deftly handling the petitions of Inukai's supporters and crushing any hint of scandal. Cool and collected, Toru rarely betrays emotion and would humble himself to anyone to get what Inukai needs. But then a shocking event changes everything. Toru's only son, Taiki, is gravely injured in an accident that leaves him close to death. Toru is stricken with worry and fear for his son, but Inukai orders him to conduct a cover-up. Feeling betrayed, Toru, who once would have done anything for Inukai, begins to question everything.