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In the future, an outbreak of canine flu leads the mayor of a Japanese city to banish all dogs to an island used as a garbage dump. The outcasts must soon embark on an epic journey when a 12-year-old boy arrives on the island to find his beloved pet.
Set around Alaska's punishing Iditarod race, a husky breeder and former musher is forced out of racing retirement to compete again and outrun an unknown killer.
