Three plucky sleuths. A crumbling skeleton. A buried treasure. After six months in a new school, Sam's finally fitting in. He's the one kid with enough talent to hit the winning home run and bring the baseball trophy back to Haggarty Elementary. But Sam's guardian is shipping him off to boarding school before that can happen. When teammates, Joey and Roger, hear his bad news, they plot to hide him until the big game. Their secret cave is a perfect place until an earthquake shatters a wall and reveals a wooden chest with a red-eyed dragon carved into its top. Inside, a bony hand clutches a map...