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You can stream SIGNAL: The Movie – Cold Case Investigation Unit (2021) on Amazon Prime with a subscription.

The story continues from the Japanese SIGNAL drama series. In 2021, a limousine taxi driver causes an accident on a highway, and a high-level government official dies in the accident. The cold case investigation unit, including Kento Saegusa and team leader Misaki Sakurai, have doubts about the case. Meanwhile, in 2009, administrative officers die consecutively in car accidents. The police announce these deaths as accidents. Takeshi Ōyama believes that these deaths were not the product of simple accidents. At 11:23 pm, a walkie-talkie turns on and makes a connection between the future and past. Kento Saegusa and Takeshi Ōyama face the threat of bioterrorism.

A highway accident involving a high-level official pulls a dedicated team of detectives back into a labyrinth of government secrets and unsolved mysteries. This investigation bridges the gap between modern-day chaos and the echoes of 2009 to unmask a killer.

Trailer