When a scientist claims to have duplicated Scrooge in Cloned Again, Unnaturally, Donald convinces his uncle to take the clone on as a business aide. But the alleged duplicate is really a ruthless impersonator with dire plans for the ducks! Then Donald Duck becomes The Other Gyro Gearloose, impersonating his absent inventor friend in a bid to renovate a far-off planet. Further adventures of Scrooge, Magica De Spell and the Beagle Boys round out the book.