棟居刑事の情熱 

Tomohiko Mizuhara (Shinobu Sakagami), who works at a university, is engaged to Mami, the granddaughter of businessman Shoichiro Aikawa, but is living with hostess Yoshie Kaizuka (Aya Sugimoto) under the guise of marriage, and is steadily climbing the ladder to success by using her body. Around that time, Tsuneo Motomiya (Ryu Raita), who was carrying illegal donations to a former minister, is murdered in the Tanzawa Mountains. Motomiya is the father of Kiriko (Maki Mizuno), the girlfriend of detective Koichiro Muneta (Koichi Sato).