It is about an experience that Curry was born in Hongpu (a small village with a beautiful ocean). The main actors are all newcomers, such as Tsunami Shinichi, Ayase Haruka and Nakai Kichi. This case led to Senator Granite (Tamori) and ended with Kulisheng being transferred back to Tokyo, after which the case has ended. It can be seen as a prelude to the movie.
What you wrote is basically the plot of the movie version released in 2007.