When Webby locates an artifact that may lead the boys to their missing mother, the spiteful Greek god Zeus, tired of always losing against Scrooge, forces the entire Duck family to compete in a fixed match against his hero son, Storkules.
Launchpad must defeat Mark Beaks' new robot chauffeurs in a race to keep his job as Scrooge's driver, but Gyro and Fenton realize that something is dangerously wrong with this new technology.
It's Scrooge's birthday, so the nephews try to make him a party better than those of his beloved late butler, Duckworth, by inviting only his greatest enemies. When Scrooge disappears at the party, the nephews suspect everyone there.
Dewey invents a holiday that allows the triplets to be only children for a day, so each of them picks a dream activity to enjoy on their own only to end up being overwhelmed by it.
Magica De Spell is close to exacting revenge on Scrooge, so the family races against time to plan a dangerous rescue mission to save Scrooge and the city.
Louie attempts to start his own business but doesn't know what the business should be. When Storkules appears in Duckburg, Louie recruits him to start a monster fighting business. Storkules agrees but his biggest battle is to be Donald's roommate and maintain his friendship.
Scrooge avoids the pressures of the holidays by traveling back in time with a trio of fun-loving ghosts to crash history's greatest Christmas parties; time-lost Dewey teams up with young Donald Duck to find his mother on Christmas.