Ai No Iyonada Mono Ga Tari Shiden Aratame Ga Tonda Hi (JOY)

[Machine Translation] Niimi, an editor for a magazine, boarded the sightseeing train "Iyonada Monogatari" departing from Matsuyama Station in Shikoku, and became interested in an elderly woman, Haru Kaneko, who was praying to the sea from the window of the train. On August 16, the day after the defeat in the Pacific War, an airman whom she loved took off from Iyonada in a Shiden Kai, the most advanced fighter plane at that time. However, no one saw the flight except her... Niimi, who had been covering this mystery, is found dead, and Inspector Totsukawa begins his investigation...

雑誌取材のため、四国・松山駅から出発する観光列車「伊予灘ものがたり」に乗り込んだ編集者の新見は、車窓から海に向かい祈る老女・金子ハルに興味を抱いた。太平洋戦争敗戦の翌日8月16日、ハルが愛した航空兵が当時最新鋭の戦闘機・紫電改で伊予灘を飛び立ったという。しかし、彼女以外、誰もその飛行を見た者はいなかった...この謎に迫るため取材を続けていた新見が死体で発見され、十津川警部が捜査を開始するが―。