Thadeos E. Klang uncovers the Legendary Lost City of Tinabula and, with the help of Katie Dodd, starts to bypass it's traps and securities. Meanwhile Baloo and Louie are lost in the desert, wandering about trying to catch up to Thadeos. When Thadeos finds the city's 'weapon,' a device that uses sound waves to create sand storms that can immobilize anything that gets in it's way. Soon Baloo and Louie save Katie, but are pursued by Scarabs and minions. Katie tells them that they need to ring 'The Master Bell' to end Klang's reign of terror. But they need to solve the riddles and puzzles that stand in their way.