Jesse had always thought his locker at Adams school was a bit creepy. It was old and rusty, and it was always hard to open. But he never expected to find a ghost inside it.

One day, when he and his friend Nate were getting their books out of their lockers, Jesse heard a strange noise coming from his own locker. It sounded like someone was crying.

"Hey, Nate, do you hear that?" Jesse whispered.

Nate listened carefully. "Yeah, it sounds...