Unsolved Cases: Crimson Signal

This film (drama)Also known as未解決の女 警視庁文書捜査官～緋色のシグナル～，is aJapanProducerwomen sex，At2019Released in year 。The dialogue language isJapanese，Current Douban rating6.8(For reference only)。

Passionate detective Tomo Yashiro (played by Haru), from the Special Investigation Unit of the Tokyo Metropolitan Police, visits the Kyoto Prefectural Police along with her high-IQ mentor Risa Naruumi (played by Kyoka Suzuki) and supervisor Shinji Koaka (played by Kenichi Endo). Three days ago, a strange incident occurred in Kyoto City where the body of café owner Yusuke Takemura was found with the character "男" (man) written in red ink, consisting of three connected Chinese characters. Strangely, five years earlier, two IT professionals were murdered in Tokyo, each leaving behind red ink writings of the characters "虫" (bug) and "品" (product) at their respective crime scenes, which remain unresolved cases to this day. At the crime scene, Tomo and Risa noticed that the writing left behind was also a connected character, "品". They speculated that the murderer could have struck again after five years. Although this theory was dismissed by their superior, Tomo and Risa did not give up and continued to search for the truth over time. During this investigation, they learned that Takemura had worked for the largest software company about 4 or 5 years prior. Additionally, he had met with the company’s president two days before his murder. To further pursue clues, Tomo and her colleagues went to the software company, but they were unexpectedly turned away. Just then, another murder occurred in Tokyo. Upon seeing the red ink writing of "品" left at the scene, Risa’s expression changed, realizing the complexity of the case...