Daisuke Kanbe, a man of immense fortune, is appointed as a detective to the Modern Crime Prevention Headquarters. There, he is teamed with Haru Katou, a humanitarian investigator who prioritizes justice above all else. The two are diametrically opposed, and their morality frequently collide. Haru despises Daisuke for exploiting his financial resources to solve crimes since he feels that money isn't everything. However, the two will have to work together to uncover the riddles that await them.