Season 1

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.

A high school student witnesses a horrible murder and is being hunted by the killer. Meanwhile, Sahara inadvertently makes an enemy with a dangerous and unstable man.

Father and son go on a stakeout together to monitor a beautiful woman who may be tied to an unresolved high profile case from years ago.

When Inspector Kagiyama is critically stabbed at the Ginza Police Station, accusations fly and each member of the "family" is under fire.

Koga meets the woman of his dreams and wants to propose to her, but his comrades are skeptical of her love for him.

A criminal interrogation goes horribly wrong when a dangerous suspect manages to escape Skunk but remains somewhere in the confines of the Ginza Police Station.

Chaser is suspected of drug trafficking, meanwhile Shimao tries to give Sahara some fatherly advice on how to make a move on Maeda.

Kaizuka returns, more vengeful and evil than ever. Will his ultimate plan of revenge on Gentle and his loved ones come to fruition?

Kaizuka's long awaited finale of revenge comes to an epic conclusion. What will become of the father-and-son duo?