Tetsuya Nakanishi
High school student Nanami lives in Tokyo, Japan. She waits for Halloween because she enjoys dressing up in costumes with her friends. One day, Nanami’s father tells her about a mysterious serial murder case that takes place year on Halloween. Her father works as the chief editor at an occult magazine. At first, Nanami doesn't care about the serial murders, but frightening incidents keep taking place around her.
A magazine publicist investigates an unsolved murder case that occurs on Halloween every year.
An ex-detective, Kagawa, is found dead in a park in Shinjuku, Tokyo. Swearing revenge, detectives of the #1 investigation team, including Tozawa (Shosuke Tanihara), begin to investigate Kagawa’s death. Meanwhile, Sono (Masanobu Takashima), at the public security bureau, orders his subordinate Shimizu (Taizo Harada), to uncover the truth behind the case in secret. Sono believes the maintenance of trust held by the general public for the police could be jeopardized if anything afoul is discovered in the case stemming from the police. Sono wants to coverup the case as unsolved if the police are involved.
Set in the year 2017, the Japanese government attempts to secretly control the DNA of its people. Ryuhei Kagura (Kazunari Ninomiya) is a top scientist in the field of DNA analysis. He works at the DNA analysis institution run by the National Police Agency. When the inventor of the DNA analysis system is murdered, Ryuhei Kagura's own DNA is found at the murder scene. Ryuhei Kagura becomes the prime suspect and then he becomes a fugitive. Veteran detective Reiji Asama (Etsushi Toyokawa) goes in pursuit.
A young man Kentaro Saeki (Haruma Miura) keeps failing his bar test and does not know what to do any more. His older sister Keiko is a freelance writer. Kentaro and Keiko begin to search for information on their grandfather Kyuzo Miyabe (Junichi Okada) who dead in the special forces during World War II. Their grandfather Kyuzo Miyabe was terrified of death and obsessed with life. Why did he join the special forces? According to his fellow navy soldiers, Kyuzo Miyabe was a genius and also a coward. Kentaro and Keiko then discovers the shocking truth which has been sealed for 60 years.
