Keiji to Kenji: Shokatsu to Chiken no 24ji (TV series)

Nakaido and Majima are a cop and a prosecutor respectively in the city of Yokohama just south of Tokyo. They have regional responsibilities. Nakaido is a hard-nosed cops who employs ruthless procedure to his work. He works hard. Majima drives hard to get maximum sentences and , in his mind, exact a degree of revenge. The two strive for one goal, which is do the right thing for their offices, the victims and prevention of future crimes. - IMDb