It stars Ralph Meeker, Sally Forrest, Elaine Stewart, Robert Horton, and Keenan Wynn, and was directed by Fred M. Wilcox.
Classmates at the Los Angeles police academy, Chuck O'Fair, Russ Hartley and Harry Whenlon bond as friends.
Mary is skeptical, fearing for Russ's safety, but all three take the necessary training and are assigned to the motorcycle highway patrol.
Chuck is devastated by Harry's death and persuades his superiors to let him work undercover to find the culprits.
Discovering that the men he's looking for are modern cattle rustlers, Chuck confronts them and kills one before he is wounded.