"It's Opal's birthday and Pearlie is planning a surprise party. There's so much to do! Pearlie must buy presents, sweet treats, prizes for games and the best birthday cake EVER. There's only one place to go - Great Aunt Garnet's famous fairy shop in the old clock tower. When Scrag and Mr Flea find out they're not invited to join the fun, they plan a party of their own. A terrible mix-up of magical cakes threatens to ruin everyone's expectations. Will Pearlie's favourite Great Aunt Garnet save the day? "