The main character, Baian Fujieda, is a dark hero who has two faces: one as a skilled acupuncturist who saves lives, and the other as a criminal who buries evil that cannot be kept alive for the sake of others. Popular writer Shotaro Ikenami's historical novel series of the same title, on which the film "BAIAN The Assassin, M.D." is based, is a blockbuster bestseller with a total of over 6 million copies in print and has been made into a timeless entertainment film many times in Japan. Many famous actors have played the role of Baian, including Ken Watanabe. The year 2023 marks the 100th anniversary of Shotaro Ikenami's birth. In the anniversary year of 2023, a new "BAIAN The Assassin, M.D." is born.

A mysterious international crime organization makes a demand of 900 million yen from the Japanese government for the release of hostages. The group then targets a victory parade of a world sports game to commit indiscriminate terror.

A news report circulates about a man who died after being kicked by a horse on a small island located 300km away from Tokyo. National Police Agency director Takeru Kanbe assigns Vice Director Mineaki Kai the task of making sure rumors surrounding the incident are fully investigated. Soon, partners Ukyo Sugishita and Tooru Kai are dispatched to the island to conduct the investigation. When Ukyo and Tooru arrive on the island, which is privately owned by a wealthy businessman, they discover a unit of former Self-Defense Forces personnel who have set up a small community as they participate in training exercises. While Ukyo initially expected to be investigating an accidental death, he quickly becomes convinced it was actually murder. However, when they finally manage to uncover conclusive evidence of this, the soldiers attack.

When a powerful new Makamou attacks and defeats Hibiki, Asumu dives into Takeshi’s history and discovers a book that details the ancient Oni and a boy sharing his name. As he reads on, he learns of the tensions between humans and Oni as they struggle to stop the Orochi Makamou, but will he discover the key to defeating the new Orochi in the present?

Dollmaker Haruhiko Kasukabe, nicknamed Haru-san, lost his wife Ruriko in an airplane crash 22 years ago and has been living with his only daughter Furi since then. It is the day of Furi's wedding. However, Furi only told Haruhiko about the wedding a month before. Since the bridegroom had some trouble at his overseas job, he was only able to return to Japan the day of the wedding, so Haruhiko has not met him even once. What kind of man did Furi choose to marry, and why did she hide such an important thing for so long...!? Haruhiko, worrying over all this, shuts himself in his room and decides not to go to the wedding... then, something completely unexpected happens to him. His late wife Ruriko appears before him. The truth is, she has appeared at Haruhiko's side many times before. What could be Ruriko's goal...

Workers at the Fukushima Daiichi facility in Japan risk their lives and stay at the nuclear power plant to prevent total destruction after the region is devastated by an earthquake and tsunami in 2011.

Investigator Yonezawa is searching images from the Tokyo Big City Marathon, targeted for a terrorist bomb attack. Within the images he sees his former wife Kazuko, and the following day he learns that dead body that looks like her has been discovered.

Aiko, born and raised in Tochigi, meets Rie, a visitor from Tokyo, at Shin-Tochigi Station. Rie fell asleep on the train and is unable to return home, so Aiko takes pity on her and the two of them head to a pub. The next day, Aiko and her childhood friend Tetsuo take Rie on a tour of the city...