A family vacation to a tropical isle in the Caribbean gives Archibald and Jockabeb a chance to find out more about elusive Mr. Natonto and the unsolved mystery in the desert. As the boys search for answers, they discover that behind the swaying palms and sandy beaches is a darker and more menacing underworld influenced by the local practices of obeah and voodoo. The boys search for the truth seems only to lead to more questions. Just what is going on between Mr. Natonto and Tommy Nat? Andmost importantlywhat surprise does Tommy Nat have in store for the unsuspecting boys?"