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...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...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...