Kyousuke has been arrested. Hagiwara Sakutarou, Nomura Kodou, and the others gather at the "milk hall," a small cafe serving European beverages and foods, to try to discover the truth of the situation. Each of the literary men unveil their deductions. Natsume Souseki introduces Akutagawa Ryuunosuke who also participates in the puzzle solving, but none of them come up with a deciding theory. As they ponder, a boy named Hirai Tarou steps forward. Hirai tells them that everything started two nights ago...
If either of them had been the culprit,
،لو كان أحدهما الجاني
Wäre jemand von ihnen der Täter gewesen,
dann müsste die Wunde an Otakis Hals
Si uno de ellos fuera el asesino,
Si uno de ellos fuera el asesino,
Si l’un d’eux était le coupable,
Se uno di loro fosse il colpevole,
Se algum deles fosse o culpado,
Если бы преступником был один из них,