Buck is taken by force from his home at the beginning to be trained as a sled dog. His new life is full of struggle as he has to adapt to the cold conditions in Alaska and the Yukon for the sake of survival. Although at times it seems that Buck has lost all his trust in humans, he gradually gets used to the life of a sled dog and is often praised for his &quot;strength worth of two dogs&quot; by other people.

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)