“Flintheart Glomgold’s Sinister Secret,” Part 2 of 3! Following Percy Fawcett's trail to the Lost City of Z, Scrooge McDuck and Donald are captured by villainous General Switchit Onoff of Brutopia—while thousands of miles away, off the African coast, Huey, Dewey, and Louie are prisoners on the floating island of Ophir! Is second-richest duck Flintheart Glomgold behind it all… and can our feuding Duckburg clan reunite to prove it?