ミラーワールドから帰還するところを、新記者・めぐみに目撃されてしまった真司。その日から、めぐみは真司の秘密を解明するために、真司をつけ回しはじめる。一方、着実に連続失踪事件の手がかりを積み重ねてきた令子は、一つの着想にたどり着いていた。
Megumi attempts to see why Shinji can walk into and out of glass and supposedly finds out but is later shown to be wrong.
Reiko & the Chief Editor make links between the disappearing people, Shiro Kanzaki & the Mirrors.
Yui begins to fade as do the Riders in the Mirror World.
Ren notices that Eri's health is critically deteriorating, and she only has a few weeks to live.
Shuichi is struggling with his disease as his health is gradually declining.
At the abandoned Room 401, a mysterious Rider makes his entrance.