A series of mysterious numbers began arriving at the Tamamura family, a family of jewelers. They were terrifying death threats. Kogoro Akechi sets out to investigate, but the culprits strike first and kidnap him, holding him captive. With Akechi in a life-or-death situation, is there any way he can escape the man who calls himself “The Magician”? And why is this magician, possessing the cunning of a devil, targeting the Tamamura family?