Adapted from the novel "Tenshi no Mimi" (天使の耳) by Higashino Keigo (東野圭吾).
Follows the people in the "Long House of Good People" who are different in appearance, a group of villains disguised as good people. They sometimes help ordinary people in difficulty, sometimes rescue friends in critical moments, and use their superb skills to fight against evil forces.
In the present day, the local government of Katori City is in the process of sponsoring a taiga drama about its famous historical figure Tadataka Ino, who is known for being the first person to make a map of Japan in 1821. During the process of of making the drama series, a surprising fact is discovered about the first map. That fact is that Tadataka Ino was not the person who made the first Japanese map.
Sugai works as a driver at a chauffeur service company at night. On the night of a full moon weekend, he is told to pair up with a newcomer Kariya. Kariya is a mysterious young guy who gives a silly quiz to Sugai while they work. Sometime later, a drag queen comes to the office and asks for Sugai, saying that someone is trying to kill him. Sugai actually has a past that he could never forget. His colleague tells him that on the night of a full moon weekend something bad would happen...