Hero (2007)

Kohei Kuryu (Takuya Kimura) returns to Tokyo and reunites with his former colleagues. He will be up against one of the famous lawyers in Tokyo to solve a car accident that killed a soon to be married fiancee. He will team up with his best partner, Maiko Amemiya (Takako Matsu), to solve this case. Their 'interesting' relationship becomes more interesting when they travel to Korea together to solve the case.