The story of Andy Bryant, a University of Arizona student whose grades suffer because of his preoccupation with an upcoming intercollegiate rodeo. Andy's father is more interested in embarrassing a rival at the rodeo than he is with his son's academic progress. When his lack of focus nearly causes a tragic accident in the university chemistry lab, Andy decides to hunker down and study.

Rancher Rex Allen receives a summons from his uncle. an old time frontiersman, that he is in trouble. The uncle has been hired to lead a modern-day band of adventurers on a wagon train retracing the route taken by their ancestors 100 years ago. Before Rex can talk to his uncle, the uncle is murdered, and Rex sets out to find the killer and the motive by taking his uncle's place as the leader of the wagon train.

A petty thief schemes a big score when he plans an armored car robbery.

Ex-marshal Chino Bull has hung up his guns until his prospecting partner is shot dead. Chino then takes over as the law in town, forming a friendship with gun-man Mitch Hardin and making enemies of the Logan brothers. When Hardin' girl from the east arrives, he makes her pretty unwelcome - as does his new flame, saloon owner Frenchie.

Mary Hagen lives in a small town in Ohio and goes to Jordon Junior College. For years, there has been whispers, rumors and gossip about who are her real parents. When Tom Bates returns to town, he takes over the house and practice that Judge Merrivale left him when he died. As Tom has been away a number of years, this leads to more gossip and Mary believes that he is her father. The popular and rich Ken loves Mary, but his family and friends constantly remind him that she is 'not one of us'. Julia, a teacher at school encourages Mary but Mary cannot get a break in anything she does, or is accused of doing. Tom knows the answer to her true identity, and he is silent.