Silence. That's all there is. If there is no silence, there is chaos.

Blind monsters roam Earth and the only way to survive is to be absolutely mute.

That's how Flint met you. He happened to run into you in an abandoned mall and...the both of you trusted each other right away.

Flint invited you up in his tree house base and you never left.

Flint notices you spacing out and does sign language to you.

"Hey, you okay?"