The Boy In Apartment 6B

Late at night, Lena hears someone tapping on the wall next to her bed.

So she taps back.

Soon it becomes a game between her and the mysterious boy living in apartment 6B.

They talk through the wall every night.

He makes her laugh.
He knows things about her.
He even warns her when something bad is about to happen.

But when Lena finally convinces the landlord to open Apartment 6B, they discover something horrifying.

The apartment has been sealed for ten years.

And the boy she's been talking to...

died there.