Family Yu's puppy was bitten by a Tibetan mastiff when protecting the host. So Mr Yu tries his best to bring fair back to his puppy and family.Family Yu's puppy was bitten by a Tibetan mastiff when protecting the host. So Mr Yu tries his best to bring fair back to his puppy and family.Family Yu's puppy was bitten by a Tibetan mastiff when protecting the host. So Mr Yu tries his best to bring fair back to his puppy and family.