The story opens in the frozen desolation of the Northland Wild, where two men struggle across the snow while pursued by a pack of starving wolves. This desolate backdrop establishes the ruthless law of nature that will govern the life of White Fang, a creature born half-wolf and half-dog. As a young cub in a remote cave, he learns the harsh realities of existence, where survival depends entirely on the ability to kill or be killed.
After his mother is recaptured by her original Indian owner, Grey Beaver, the young wolfdog is thrust into the tumultuous life of a human settlement. Here, he faces unrelenting torment from the village dogs, led by the vicious bully Lip-lip, which molds him into a morose, fiercely aggressive outcast. He masters the art of sudden, lethal violence, growing into a formidable and fiercely independent creature.
Tragedy strikes when he is sold to a cruel, depraved man named Beauty Smith, who subjects him to systematic abuse and forces him to fight other animals for cruel entertainment. Under this brutal captivity, the animal's natural ferocity is artificially magnified, transforming him into a seemingly untamable fighting machine known throughout the Yukon.
The climax of his physical and psychological ordeal arrives when he is nearly beaten to death in a savage dog fight against an invincible bull-dog. Just in time, a compassionate mining engineer named Weedon Scott intervenes, rescues the battered animal from his tormentor, and brings him to a secure cabin.
Slowly and with immense patience, the new master attempts to break through the decades of trauma and hostility that armor the creature's spirit. Through unflagging kindness rather than violence, Scott manages to tame the wild beast, awakening a capacity for deep, steadfast devotion.
The narrative culminates in a profound transformation, as the former fighting wolf learns the meaning of love and domestic loyalty. When his master is temporarily called away, the animal falls into a profound despair, demonstrating a capacity for grief that proves his complete redemption from the brutal law of the Wild.