There's no better friend than a sister... unless your sister is a stinky rotten pony apple who missed your last rehearsal! Pipp has been suuuper stressed because the new, edgy musician Carotang has been totally stealing her limelight. But Zipp has been too busy helping Queen Haven prepare for the Royal Dinner at the castle to even notice Pipp's distress. The sisters have a huge fight, and then... and then... Well, you'll just have to read to find out!