His locker. Ginny was sure Oliver was hiding something in there, judging by the way he was always opening it when no one was looking – no one but Ginny. What could he be so secretive about? She and the other girls had to know; they wanted to help.

"Show me your secrets," she whispered to the locker as if it could open it like a spell. "I've got you," Ginny smiled triumphantly.

A photo! She knew it would be a photo! Feeling smarter than Sherlock Holmes, Ginny looked at the picture and held her breath.

It was Marcus. Marcus Flint.