Shiri Ran to Ibusukimakurazakisen No Ma

[Machine Translation] The body of a man in his 30s was found stabbed to death on the bank of the Keio Tama River. Inside a white envelope found at the scene was a piece of paper with the word "Daigyo" written on it. When Inspector Totsukawa began his investigation, he found an office worker in her 20s and a university professor in his 60s dead one after the other, each with the word "Daigyo" written on them. Totsukawa investigates the victims' pasts and discovers that their fathers or grandfathers were involved in the army's aircraft business during the war. Totsukawa sets off for Chiran, Kagoshima, to investigate the motive of a serial killer. Before long, Totsukawa unleashes an unprecedented plan to uncover the real murderer! A full-length mystery!

京王多摩川の河原で発見された30代男性の刺殺体。現場で見つかった白い封筒の中には「大義」と書かれた紙が入っていた。十津川警部が捜査を開始すると、続けざまに20代のOL、60代の大学教授が死体で発見され、どの現場にも「大義」の文字が残されていた。十津川は被害者の過去を調べ、被害者の父親か祖父が戦時中に陸軍の航空機にかかわっていたという共通点に気づく。連続殺人犯の動機を辿り、捜査のために鹿児島・知覧へ向かう十津川。やがて、十津川は真犯人を炙り出すため、前代未聞の奇策を放つ!長編ミステリー!!