Description When Cody, Quinn, M.E., and Luke receive a cryptic message directing them to Alcatraz Island, the promise of a new adventure, and possible treasure, sets them on the trail to the famous prison to solve a decades-old mystery involving the Alcatraz lighthouse, a jewel thief, and his fabled missing haul. If the Code Busters can unravel the secret of Diamond Dave's biggest theft, they could be in for a fortune!