After scanning the halls one last time, he clenched his jaw and made for the headmaster’s office. If she were in trouble or missing, the fastest way to find out was to have her name called through the microphone system. At least then, if she reported, he would know she was safe.

He was halfway up the stairs when his phone buzzed in his pocket. He snatched it up. It was his butler.

“Sir,” the butler’s voice was calm, steady. “Miss Meret returned home earlier than usual. Since lectures ...