In his Money Bin, Scrooge finds a strange coin with his profile stamped on it. With the help of the Junior Woodchucks, Scrooge finds it is from the island of Usayvus, near Africa. When Scrooge goes to the island, he finds there is more to the story of the coin than he's been told.; Once a year a passage opens in the Thembria Mountain. A billionaire hires Baloo and Kit to fly into the mountain to salvage a recently lost plane. They find that a lost tribe has been worshiping an old plane as a god. The Air Pirates plot to salvage the new plane and leave Baloo and his crew trapped in the mountain.; The Beagle Boys are digging Indian relics in a cliff-dwelling and, disguised as Indians, are trying to sell them to Uncle Scrooge.; Scrooge remembers the story of his original trip to Usayvus and must find a way to prevent the island from being destroyed.; After Gadget finds a flash camera, Dale goes wild taking photos. His photo-taking helps foil Fat Cat's gang, who are breaking into a bank.; Fat Cat hires moles to dig a tunnel into Rodaunt's storeroom so his men can steal all his cheese.