Aoi is a young nursery school teacher whose fiancé leaves her. Her friend Michiko works in a call centre and has ‘lots of free time, but little freedom’. She no longer interacts with her husband, aside from the occasional sad blow job. Then there’s her attractive tennis teacher Masaki, with whom she’s having an affair that’s conducted when they’re pulled up in parking lots. And finally there’s his friend K., a self-proclaimed genius with authoritarian tendencies.
Set in the late 21st century, an MRI scanner is introduced at the National Research Institute of Police Science's 9th Forensics Laboratory. The machine is able to scan the memories from even the deceased. As ethical questions arise over the machine's use, the 9th Forensics Laboratory members, including rookie Ikko Aoki and Chief Tsuyoshi Maki, struggle to solve cases.
A novelist receives a letter from a female university student named Kubo about strange sounds that emanate from a room in her apartment. They begin to investigate incidents involving former residents, and eventually discover the shocking truths lurking inside the building.
Movie contains the stories of three people: Suzuki (Toma Ikuta), Kujira (Tadanobu Asano) and Semi (Ryosuke Yamada). Suzuki is a former middle school teacher. His girlfriend was killed, which led him to quit his job and attempt to take revenge on her murderer. To do so, Suzuki has to infiltrate the underground world of criminals. Kujira is a contract killer for hire. He makes his targets fall into confusion and eventually commit suicide. Semi is a contract killer who uses the knife to take out his targets.
An honors graduate in literature, Wyman is stuck writing cheap erotic fiction, but somehow ends up starring in an AV film. Suddenly a porn superstar in Japan, he discovers a whole new world fraught with pleasure, pain and more twists and turns than he or the audience expects.