When a mysterious old treasure map shows up in Odyssey, Mr. Whittaker, Dylan, Connie, and Eugene embark on a perilous journey that leads them to the caves of Qumarn in Palestine. The search for hidden treasure explodes into a harrowing adventure as Whit and the gang narrowly escape dangerous traps and solve mysterious clues to reach a secret inner chamber of the cave. But a sinister Mr. Faustus and his cronies are also hot on the trail! Who will find the treasure first? Will it be gold and riches – or something even better?