Hasegawa has a life-or-death encounter with assassins, and the Shinsengumi and Mimawarigumi compete over solving a fictional case.
Here's the gist of it. A corpse 
was found on this river bank.
.لندخل صلب الموضوع
.وجدت جثّة عن ضفّة هذا النّهر
En este caso
apareció un cadáver en el río.
Basicamente, um corpo
foi encontrado no rio.