Sports physician Marcus persuades his unstable brother David to come with him and train for a bicycle race across the Rocky Mountains. Marcus doesn't tell David that he has a brain aneurysm which could render him paralyzed or dead at any given moment. While David powerfully heads for the victory, Marcus has to realize that the contest is now beyond his capabilities. / Features great views of the Rockies and an insight in the tactics of bicycle races.—Tom Zoerner