Belinda takes the bus from work one day and ends up hijacked along with three other people and a baby. They're being held by a group of bank robbers on a bus. The leader is a killer but instead of eliminating the hostages at the end of other robberies they turn them loose in the desert of New Mexico miles from anywhere. No food or water, one of them is pregnant and they are carrying an abandoned infant.
Andy and Dixie take a trip to Masontown to see his parents. On the way back after car trouble they hitch a ride with a bus full of school children and take a plunge into a three hundred foot canyon. Unable to use a cell phone, they must battle poisonous snakes, wolves, cougars and whatever else nature sends their way. Two separate groups in the desert and a deep canyon and all they have are their wits to save them. Read At Peril's Edge to see what happens.