In the final chapter of the popular 2-hour drama series that has been broadcast for about 13 years since 1998, we will follow the truth of the SL Yamaguchi train number "9521", where snow is an important keyword in the incident. Takamine Casey, who appeared in the early works of the series, also reappears as a retired detective, and is full of highlights. It's full of times. (Source: TBS)