A young and parentless girl adopts a 'dog' from the local pound, completely unaware that it's supposedly a dangerous scientific experiment that's taken refuge on Earth and is now hiding from its creator and those who see it as a menace.
A canine angel, Charlie, sneaks back to earth from heaven but ends up befriending an orphan girl who can speak to animals. In the process, Charlie learns that friendship is the most heavenly gift of all.