顺口溜

一年一度的七夕即将到来，东京、神奈、静冈、长野等地却接连发生六起连环杀人案。被害者身边皆留下麻将牌中的七筒和奇怪暗示。由于案发范围过大，各地警署探员纷纷聚到东京警署的专案组共同研究案情，名侦探毛利小五郎也被邀请参加，江户川柯南则偷偷听取了会议的内容。会后，江户川柯南无意中听到群马县的山村操警官哼唱的童谣，继而发现有黑暗组织的成员混进警察中间。在一次围捕行动中，柯南遇到假扮人质的苦艾酒，得知近期一连串的杀人案件与存有组织内部人员资料的记忆卡有关。与此同时，潜入警察内部的间谍偷偷盗取工藤新一和柯南的指纹，新一的身份眼看就要被拆穿了，巨大的危险正向柯南和他身边的人急速袭来！意识到事情危险性的江户川柯南独自展开了调查……。There is a big charity function at the house of Mrs. Cheyney and a lot of society is present. With her rich husband, deceased, rich old Lord Elton and playboy Lord Arthur Dilling are both very interested in the mysterious Fay. Invited to the house of Mrs. Webley, Fay is again the center of attention for Arthur and Elton with her leaning towards stuffy old Elton. When Arthur see...。