Kunikida is being held for a murder that Rampo is certain he didn't commit. Meanwhile, Poe is determined to solve a murder mystery that has had the poilce stumped. Rampo has some thoughts on that situation, too.
The murderer was told what 
happens in the fourth chapter,
،سمع القاتل ما حدث في الفصل الرّابع
Dem Täter wurde vor der Vollendung der Inhalt
der vierten Geschichte mitgeteilt.
El asesino sabía el contenido
de la obra de antemano.
El asesino sabía el contenido
de la obra de antemano.
Il devait connaître le contenu
de ce quatrième chapitre,
Gli era stato detto cosa succede nel quarto capitolo,
Ele foi informado sobre o que
acontecia no quarto capítulo,
Автор рассказал убийце о том,
что будет в четвёртой главе.