Sam Hotter never considered himself an ordinary boy. He wasn't the fastest runner in school, nor the best at soccer, but he was the best at solving mysteries. He loved books about lost treasure, secret codes, and ancient civilizations. His bedroom walls were covered with maps, and his shelves overflowed with detective novels.
But no story, no puzzle, and no adventure he had ever read could compare to the one about to unfold in his own home.
It all started on a rainy afternoon.