It?s the half-moon holidays in gloomy Nocturnia which means no school for Amelia and her friends! Instead they are going to spend it with their Rainbow Rangers troop, (lead by unicorns Ricky and Graham) earning badges on Sugar Plum Island. But whilst exploring, Amelia and the gang stumble upon an ancient curse - and are shrunk to the size of bugs! How will they make the bloodcurdlingly BIG journey to break the curse when they are all so very TINY?....