Daisuke Kanbe, a gifted detective with an extraordinary amount of money at his disposal. One day, the Metropolitan Police assigns him to a new department where he is paired with fellow detective Haru Katou, who couldn't be more opposite from him.

Haru believes that there is more to life than just money, which is a stark contrast to Daisuke's materialistic ways. However, they must find a way to come to terms with each other in order to solve the various mysteries that face them.