It's Halloween, one of Molang and Piu Piu's favorite holidays! Today they will dress up, carve pumpkins, give out candy, and go see a scary movie! But when a mummy mix-up threatens to derail their Halloween party plans, it's up to Molang and Piu Piu to set things right. Can they save Halloween? Find out in this silly storybook that includes a sheet of shiny foil stickers!