A young boy relates his adventures during the year he spends living alone in the Catskill Mountains including his struggle for survival, his dependence on nature, his animal friends, and his ultimate realization that he needs human companionship.
A grandmother explains to her granddaughter how the arrival of winter brings changes in nature and the earth's creatures, and how the return of spring and summer will bring more changes.
When Julie returns to her father's Eskimo village, she struggles to find a way to save her beloved wolves in a changing Arctic world and she falls in love with a young Siberian man.