At Los Alamos, New Mexico, the maximum-security "atomic city" of U.S. nuclear-weapons research, top atomic scientist Frank Addison has a normal, middle-American life with his wife and son...until the boy is kidnapped by enemy agents to extort H-bomb secrets. Result, a fast moving chase thriller with some parental soul-searching.
Will Penny, an aging cowpoke, takes a job on a ranch which requires him to ride the line of the property looking for trespassers or, worse, squatters. He finds that his cabin in the high mountains has been appropriated by a woman whose guide to Oregon has deserted her and her son. Too ashamed to kick mother and child out just as the bitter winter of the mountains sets in, he ag...