Carl Fredricksen as a boy wanted to explore South America and find the forbidden Paradise Falls. About 64 years later he gets to begin his journey along with a Boy Scout named Russel by lifting his house with thousands of balloons. On their journey, they make many new friends including a talking dog and figure out that someone has evil plans. Carl soon realizes that this evildoer is his childhood idol. Will they be able to defeat him and find Paradise Falls?
The story is much more than a simple cartoon. Is a retrospection of life while we forget the happiness and get caught in the mechanism of the society. In the end, Carl is looking for his freedom and nothing more.