Unfair 2: The Answer (アンフェア the answer) [Japan] - 2011

Country: Japan
Production Company: Fuji Television Network/ Japan Music Entertainment/ Kansai Telecasting Corporation/ Kyodo Television/ Toho Company
Genre: Drama/ Action/ Crime
Director: Shimako Sato
Starring: Ryoko Shinohara, Sadao Abe, Masaya Kato, Susumu Terajima, Teruyuki Kagawa
Length: 109 mins
Date of release: 17th September, 2011

Synopsis

Natsumi Yukihira (Ryoko Shinohara) is one top rated detective while working for Metropolitan Police Department, and is currently working for the criminal division at Hokkaido. Meanwhile, central Tokyo receives a shocking news: a bizarre murder in which the nails are driven into the victims' body.

Fingerprint are taken from the victims and Kazuo Sato (Teruyuki Kagawa), who is Natsumi's ex-husband is also involved in this case. He keeps a USB memory stick that contains the sensitive information about the police force and hands it over to her. Soon, Natsumi becomes the serial murder suspect...