Scrooge teams up with his archrival, Santa Claus, to save Christmas, while Webby discovers the true history behind their infamous feud.

Della, Dewey & Huey recruit a showboating pilot to take them to an island full of monsters, While F.O.W.L. lurk in the shadow waiting patiently. With danger at every bend and turn, the family must join together to fight for their future.