He was forced to ring the doorbell, because he didn't seem to have his key on him. The door opened, revealing his sister, Zoe.
"Hey," Zoe said, disinterested. She waved Jon in, and then proceeded to ignore him.
He headed up the stairs to his bedroom. When he got there, he discovered the door was locked.
"Who is it?" A voice said from inside. A few moments later, the door opened, revealing...
