The plot takes place in 2014 in Yokohama. Two friends Nuys and Murasaki opened his detective agency called Hamatora. However, their "office" is a table in a cafe Nowhere, where they are waiting for their clients. Their old friend,cop named Art, hires them to investigate a series of murders in which they discover that all the victims were "Holders Minimum", people with special abilities hereditary. Due to the fact that the Nice and Murasaki are themselves "Holders Minimum", they find themselves caught up in this thing, I want them to or not.