Ran has to open Waka's apartment with a key when no one answers. Later, Ran finds Waka on the bathroom floor, but she collapses herself due to chlorofoam in the air.

Hearing a woman's scream, Kogoro, Ran, and Conan run towards the sound and come across a man sitting on the ground. After accusing the man of being the Hooded Man, Conan discovers Mizuki on the floor inside the room behind the man.