Adventure kicks into high gear when Huey, Dewey, Louie and Webby brave new frontiers, hunt for buried treasure and stare down danger at every turn! After Scrooge disappears, his birthday party becomes a mystery where Huey is the detective and everyone is a suspect. Webby and Lena hunt for a magical shark in Scrooge's money bin. And when Dewey creates a special holiday for the triplets, their wishes backfire and they must work together to clean up the havoc. Against all odds, this team of mischief makers risk everything to uncover the family’s biggest secret!