SIGNAL: The Movie – Cold Case Investigation Unit (2021)

Plot

The gripping continuation of the SIGNAL saga unfolds with a tragic accident involving a limousine taxi, leading to the death of a high-ranking government official. Kento Saegusa and Misaki Sakurai from the cold case investigation unit sense foul play surrounding this incident. Flashing back to 2009, a series of unexplained car accidents claim the lives of administrative officers, deemed mere accidents by authorities. Skeptical Takeshi Ōyama suspects a deeper conspiracy. As a mysterious walkie-talkie bridges their timelines, Kento and Takeshi confront the looming danger of bioterrorism, racing against time to uncover the truth.