After changing hands many times Buck is finally acquired by John Thornton, a kind and loving owner. Thornton has a few other dogs aswell and treats them all as his friends rather than sled dogs, becoming especially attached to Buck who truly loves him. Later on he gets shot and killed by several robbers, an action which is soon revenged by Buck.

Buck, a half German Shepard half Saint Bernard who's life is pretty peaceful and happy living with the Millers' in California. However, one day he is tricked and sold off. He ends up in the snowy North where he has become a sled dog during the Gold Rush. His story takes many twists and turns and he has to fight for his own survival.
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(Source: Anime News Network)

[Wiki (jp)](https://ja.wikipedia.org/wiki/小林修_(声優%29) | [Wiki (en)](https://en.wikipedia.org/wiki/Osamu_Kobayashi_(voice_actor%29)