Buck, a dog that has been forced into the harsh life of a sled dog, befriends a man seeking his fortune in the Klondike gold fields, and must ultimately decide whether to stay with his master or obey his instinct to join the wolves.
Mandy Hope, visiting Baffin Island with her veterinarian parents, does her best to help when Nanook, the lead dog on the three-day sled trip she is taking with her dad, is injured in a fight with a wolf.
Thirteen-year-old Tatum's dream of competing in the grueling 1,049-mile Iditarod Trail Sled Dog Race may be at an end when she becomes lost in a freak snowstorm during a training run on Alaska's remote Santa Ysabel Island.