The Tibetan Mastiff became known as the "Dog of God" in China during the height of a craze to have them as pets, and there was once a time when one could be sold for hundreds of thousands of dollars. But now that the fad has died down and owners realize these big dogs require special care, many are being abandoned or neglected. In this episode, we follow an animal rights group at the frontline of rescuing Tibetan Mastiffs and meet several breeders who have different reasons for breeding.