At midnight, she heard it: a soft click .
She followed. In the pantry, under a loose brick, she found a rusted key. And behind a false panel in the chimney, a small wooden box.
If this is a technical query regarding Microsoft development:
Elena knelt. The hole was a perfect hexagon, about the size of her palm. Around it, the 18th-century tiles fit snugly, except for this one stubborn absence.