A gas station attendant forces his attentions on a beautiful blonde drawing the ire of her escort. After being kicked out of the roadhouse, the young man picks up the argument when the couple leaves and is clubbed with a wrench during the scuffle. During his investigation of the crime, Sheriff Morgan learns that the woman involved in the fracas is the wife of one of his deputies.
Two thugs hold up a diner, leaving the counterman and crook beaten and unconscious. They're spotted by a trucker who phones in a description of the men and their vehicle to the Cochise County police. Sheriff Morgan and his men set off in hot pursuit to capture the robbers before they can escape into Mexico.
Two truck drivers find a rancher by the side of the road who apparently died of a heart attack. Sheriff Morgan learns that the car had the gas siphoned out of its tank and the wad of cash the rancher was carrying has disappeared. Backtracking his movements to the previous evening, the lawman learns that the rancher's financial status was overheard by three drifters working on a nearby spread.
When Helen Gifford tries to force her younger brother to leave Vera Watson's ranch, Vera pulls a gun and Helen is mortally wounded in the scuffle. Sheriff Morgan doesn't believe the story Vera and Hank have cooked up, so he looks for evidence to destroy their alibis.
After his mother and stepfather separate, their teenage son shows he prefers his stepfather's ranch to the bright lights of Bisbee by running away from home at every opportunity. When the boy's mother charges her estranged spouse with kidnapping, events take a violent turn, forcing Sheriff Morgan to require a hearing in juvenile court.
Sheriff Morgan and the local Chamber of Commerce want to turn a land tract formerly used as an army proving grounds into a park after removing all the unexploded shells from the land. The current owner wants to sell the scrap metal on the land and refuses to cooperate. Meanwhile, a group of boys, including the old man's grandson, trespass on the property to dig for souvenirs.