Nelson is a bright-eyed, inquisitive half beagle, half poodle. He lives with Katey and Don, newlyweds whose marriage is straining under the pressures of domesticity, but Katey's devotion to Nelson buoys the pup even as he worries his home may be falling apart. One day Nelson follows his nose and gets lost. Though he searches frantically for his beloved Katey--and she for him--he can't seem to find his way home.

Roam follows Nelson on an incredible eight-year cross-country journey. He rides shotgun with a truck...