Carl has lived a long life in his house with his wife Ellie. Now, after Ellie is gone, they want to evict him from their home! Carl won’t stand for that. For his whole life, he’s been selling inflatable balloons—and now they’ll change everything for him! Together with his beloved house, Carl sets off on an incredible journey to South America. But what is this? How did that annoying young scout Russell end up on his porch? And how can they reach Paradise Falls when Russell keeps dragging along a huge strange bird, then a talking dog, and then they’re even caught by the hands of a mad old traveler? It seems Carl has a lot to go through if he wants to fulfill his dream. Or rather—their dream with Ellie…