A drama about a rookie detective who teams up with a veteran detective and develops a good rapport while overcoming difficulties. Keigo starts his new post at a local police station where he partners up with Shoichi, a frigid, yet warm-hearted, detective on the verge of retirement. The drama features how the young detective builds up his career with the veteran and those who are connected with his cases.

Keigo commence son nouveau poste dans un poste de police local où il s'associe à Shoichi, un détective chaleureux, sur le point de prendre sa retraite. Comment le jeune détective construit sa carrière avec l'ancien combattant et ceux qui sont liés à ses dossiers ?