When his girlfriend goes missing, David must track down her whereabouts after he realizes she's not who she was pretending to be.
When a Miami dentist inherits a team of sled dogs, he's got to learn the trade or lose his pack to a crusty mountain man.
100 years in the future, when the Earth has been abandoned due to radioactivity, the last surviving humans live on an ark orbiting the planet — but the ark won't last forever. So the repressive regime picks 100 expendable juvenile delinquents to send down to Earth to see if the planet is still habitable.
