Rescue Puppy from Angry Chained Mother Dog that wanted to hurt them

This mother dog gave birth to 6 puppies, but in a fit of rage, she bit 5 of her puppies to death at once. Only one puppy survived. Although still alive, his life was always in danger, because every time the mother dog got angry, she would bite the puppy very viciously. Witnessing this scene, the young man was determined to buy the puppy back to take care of him. Rescuing him from the risk of losing his life at any time.