Synopsis: After a wealthy rancher dies, disgruntled employee Vera Martin and neighbor Gregg Jackson concoct a scheme involving a counterfeit mortgage and the drastic re-routing of a nearby river in an attempt to take control of his estate. When the rancher's only living heir -- a baby -- arrives from New England, his nanny, Sylvia Clark, falls victim to the crooked duo. A desperate Clark turns to heroic gunslinger Roy Rogers for help.