After Yui's death, Takuru's family tries its best to recover. Kurusu makes a shocking admission to Takuru that she's been hiding something from him ever since he met her.  She's willing to do anything to find the killer, and she's getting very, very close...
It's not the video.
إنّه ليس الفيديو
Es ist nicht das Bild.
¡No es la imagen, sino el sonido!
No es la imagen, sino el sonido.
Plutôt que dans l’image,
c’était dans le son…
Non erano le immagini...
Não era o vídeo.