The best Ryoko Shinohara’s mystery movies

After detective Natsumi Yukihira brings an end to the police hospital terrorist case, Natsumi is transferred to the Nishimonbetsu Police Station in Hokkaido. Meanwhile, a series of grotesque murders occurs in downtown Tokyo involving nails placed in the body of the victims. The fingerprint of Natsumi's ex-husband, freelancer journalist Kazuo Sato, is found on the the body of a victim and Kazuo is placed on the most wanted list. Soon after, Kazuo finds Natsumi and hands her a USB memory stick. The device contains information on a secret organization within the police department. Kazuo tells Natsumi that the series of murders are warnings and suspects become the next victims. Natsumi is then arrested as a suspect. Tokyo prosecutor Katsuaki Murakami appears at the Nishimonbetsu Police Station to investigate.

Defence lawyer Emi is assigned to a particularly unusual case: a man is suspected of murdering his wealthy wife, and his only alibi is a 421-year old ghost, Rokubei. At first Emi is hesitant, but when she pursues her lead she is visited by the ghost herself. And so the fun begins in the courtroom when Prosecutor Osano starts to cross examine…

When a devoted detective probes the suspicious death of her father, she uncovers massive corruption and finds herself in grave danger.