An ancient treasure stolen by Xerxes the Great . . . Discovered by Napoleon Bonaparte . . . The clues to its hidden location lost until now . . . Adventurers and treasure hunters Sam and Remi Fargo are on a wild-goose chase. Up to their waists in the Great Pocomoke Swamp in Maryland, they're hunting for lost gold. What they find instead is a small Second World War German U-boat.