The hallway was too quiet.

Camilia checked left, then right, pressing her back against the cold wall. The midday sun filtered through the tall glass windows, painting bright lines across the marble floor. A few maids walked far off in the east wing, laughing about something in the kitchen — but none were close enough to notice her.

Good.

Donatello and most of his guards had left earlier. She overheard Raphael mention a meeting downtown. That meant the mansion was mostly empty.

And if she ...