Carl Fredricksen a retired balloon salesman is part rascal part dreamer who is ready for his last chance at high-flying excitement. Tying thousands of balloons to his house Carl sets off to the lost world of his childhood dreams. Unbeknownst to Carl Russell an overeager 8-year-old Wilderness Explorer who has never ventured beyond his backyard is in the wrong place at the wrong time - Carl's front porch! The world's most unlikely duo reach new heights and meet fantastic friends like Dug a dog with a special collar that allows him to speak and Kevin a rare 13-foot-tall flightless bird. Stuck together in the wilds of the jungle Carl realises that sometimes life's biggest adventures aren't the ones you set out looking for.