So it's a live action, drama version of Disney/Pixar's "UP"?
NOT bashing this movie in any way, shape or form. I loved it.
I just watched it and it's an instant classic as far as I'm concerned. But I couldn't help but notice that a lot of it was basically taken from the movie "Up". A woman dies that causes the main characters, a grumpy old man and a fat kid, to go on an adventure. Instead of a house tied to balloons, Bella's ashes are the balloons. Paula was Charles Muntz, Andy was Dug the Dog and the swat team was the pack of dogs chasing the main characters. The Huia Bird was Kevin, the Beast of Paradise Falls.