Four high school girls, who are part of the legendary theatrical group known as "Rashinban," stops performing due to the sudden death of one member. Four years later the explanation of the girl's death is revealed and the other girls start a plan for revenge...

Nobuto Natsume worked at a youth detention center, but began working as a detective after the age of forty. He begins his new career as a detective in the violent crimes section at Higashi-Ikebukuro Police Station. He listens carefully to those involved in cases and investigates thoroughly to uncover the truth. Veteran Detective Seiichi Fukumori works as Nobuto Natsume's partner. The crimes they investigate usually relate to families. ~~ Based on the novel "Keiji no Manazashi" by Gaku Yakumaru.

Muto Takashi is a former police detective who uses illegal methods to solve cases which are difficult to handle by the police. Kaburagi Wataru is a police detective and Muto's buddy, and Tamaki takes charge of the special missions given to Muto. While exploring the lives of these men, the topic of whether revenge is right or wrong is discussed in this drama.