Twins Stanley & Stanford Pines leave their hometown, Glass Shard Beach, to spend the summer at Gravity Falls with their Grauntie Mabel, a sweet old lady who runs a tourist trap, bakes glitter into cookies, and lives in a knitted paradise. The Twins explore the seemingly boring old town in hopes of finding buried treasure, and monsters! But they don't find anything until one day...

After their only clue to Eva's mysterious Employer turns up empty; Skipper is left wondering if maybe he is not the great leader he thinks he is. Meanwhile Blowhole stands poise to take out his revenge on an unsuspecting world, can the penguins stop him before it's too late? (Sequel to: Penguins of Madagascar: The Misery of Open Faced Sandwiches.)