In this adventure film, Zach Loud, his brother Lincoln, their sisters Lori, Leni, Luna, Luan, Lynn, Lucy, Lola, Lana, Lisa, and Lily, and their parents Lynn Sr. and Rita are on a voyage to an uncharted island. There, they encountered a bunch of savage natives, dinosaurs, and other creatures. Lastly, they see two giant girls known as the 8th wonders of the world Luna Kong and Sam Kong.