Carl Fredricksen spent his entire life dreaming of exploring the globe and experiencing life to its fullest. But at age 78, life seems to have passed him by, until a twist of fate (and a persistent 8-year old Wilderness Explorer named Russell) gives him a new lease on life.

Adolf Hitler is hiding out in California under the identity of Adolf Schwartz; however, he is soon murdered by a mysterious assailant. This coincides with the arrival of a mysterious woman in a nearby town. Whatever the case might be, nobody seems interested in investigating the crime, but there are many who are interested in her.