
Koga meets the woman of his dreams and wants to propose to her, but his comrades are skeptical of her love for him.
A young and idealistic recruit, Sahara Natsuki, joins the police force, but gets partnered with his father, Shimao Akimura, who he hasn't seen since childhood.
After a horrible kidnapping of a young boy, the parents and Kagiyama Police Team soon learn they aren't messing with an amateur.

Maeda Hitomi works with a secret informant in order to learn more about her father's murder, unaware that the informant is actually the murderer himself.