Former policeman Jay McGraw is a messenger for Wells Fargo. While sometimes, boring, it's steady work and Jay rarely misses walking a beat in Chinatown. But trouble comes his way when a gang of masked bandits blow up a bridge on the Central Pacific trail. Jay knows they re after his cargo. Wells Fargo could lose their heavily insured shipment and he could lose his cushy job. A dramatic escape via a hydrogen balloon belonging to a passenger puts Jay...