Weeks passed, and John tried to put the horror of the door behind him. He moved into a new apartment, far away from the old house, and tried to rebuild his life.

But the memory of the door haunted him, and he couldn't shake the feeling that something was watching him, waiting for him to let down his guard.

Then, one day, he received a package in the mail. It was addressed to him, but there was no return address. He opened it, and his heart sank as he saw what was inside.

It was the doorknob from the door that had tried to lure him in, wrapped in a piece of old cloth. And attached to the...