In Kanagawa Prefecture, the second boss of the Matsumoto clan died mysteriously and tragically at an abandoned dock. The widow, Esaki Yukino, was the only clue, but she was caught in a desperate situation where she was suspected of murdering her husband and was being hunted by gangs.
Shiraishi Sosuke, the most shady patrol chief of the police station, is a handsome and flirtatious crime-solving expert during the day, and turns into a behind-the-scenes player controlling the chess game at night.
The Kanagawa Police Department started by rescuing the widow, and then it was a high-octane crime-solving and exciting game!
