When Gervaise disturbs a stranger in the ruins of an old monastery on his uncle's property, he begins to uncover a remarkable story. It seems that carved into a rock on his uncle's property is a clue that will lead to hidden treasure. With his foppish cousin Charles, who is newly returned from France,
Gervaise heads off in search of the hidden Spanish jewels. Along the
way, they will encounter adventure, pirates, and a lot of trouble.