Matilda returns to Paper Port to spend her summer holidays, and this time all of her friends know the secret of her strange and absurd powers, and so they join her and Charlie in their every crazy adventures. Matilda will also learn the true history of her grandfather Curlybeard, she will meet up with some characters from last summer, and she will encounter a most terrible villain who could jeopardize the very existence of the entire Paper World: the fearsome Captain Sandpaper.