The story begins where Zach Loud, a tiny toy size boy his siblings Lincoln, Lori, Leni, Luna, Luan, Lynn, Lucy, Lola, Lana, Lisa, and Lily, and their parents are having a beautiful day, and not only that, they also celebrate Zach Loud’s birthday. They also go to Scotland and welcome to Loch Loud and meeting Angus, Morag, Lila the dragon, and Lucille Loud and even Zach’s secretive giantess sister Akane Angus want Zach to see a long time.