Roy Collins and Gilbert Bowen (Edmond O'Brien and Frank Lovejoy), both middle-aged, leave the big city behind to head for Mexico. Several kilometers from the border that separates Mexico from the United States, driver Roy accepts his partner Gilbert's proposal that they take a hitchhiker named Emmett Myers (William Talman) in the seat behind the car. From the initial cordiality it becomes a state of increasing tension when Roy and Gilbert, after being the protagonists of a macabre game that has led to the death of the former, they realize that they are facing a true sadist, a psychopath who It is creating panic among the drivers on this stretch of border road.
Film noir classic directed by Ida Lupino in 1953.