In the isolated desert town of Las Piedras, a rugged line of life is carved out by a single airstrip that barely keeps the outside world within reach. The town sits under the control of the American corporation Southern Oil Company (SOC), which dominates the oil fields, polices the settlement, and treats local workers with an iron fist. Life here is harsh and quiet, with survival often weighing more than justice, and the townspeople learn to endure the company’s capricious authority even as they suffer in silence.
In this harsh backdrop, four foreign men—Mario Livi, a sarcastic Corsican playboy; Jo, an aging ex-gangster who has found himself stranded; Bimba, a tense and intense man whose past is steeped in shadows; and Luigi, a jovial, hardworking soul recently diagnosed with a deadly lung condition caused by cement dust—form the core of the story. Linda, Mario’s devoted lover, moves through the cantina with outward warmth that hides complex emotions, and her relationship with Mario adds a charged undercurrent to the men’s fragile camaraderie. The town’s social structure sits under the blunt operation of SOC, which exploits workers even as it provides the bare minimum of employment and security. These men are drawn together by circumstance, yet the bonds between them are tested by fear, pride, and the lure of money.
Hope—and danger—arrive in the form of a high-stakes job. The SOC foreman, Bill O'Brien, enlists local drivers to transport nitroglycerin from the SOC headquarters to a distant oil field, a distance of about 500 kilometers (300 miles). The job promises US$2,000 per driver, a fortune for men who otherwise work at the margins of the town’s economy. To minimize risk, only four drivers are considered: [Mario Livi], [Bimba], [Luigi], and a German worker known as Hans Smerloff. When Smerloff fails to show up on the day, Jo steps in, a decision that unsettles the existing dynamics and fuels speculation among the crew that Jo may have coerced Smerloff out of the action.
From the start, the journey is about more than distance; it is a brutal test of nerve and resolve. The two nitroglycerin-laden trucks must move in tandem, separated by a half-hour to limit potential casualties. The road is a gauntlet: a punishing stretch known as the washboard, a dangerous barricade that forces the vehicles to teeter over a rotting platform above a precipice, and a stubborn boulder that blocks the way. The men confront both mechanical danger and the subtle tests of character: Jo’s nerves show signs of strain, and the others press him to confront the reality of his fear. The stakes rise as the trucks press on, and the human cost of this hazardous mission becomes increasingly clear.
Tragedy arrives with the explosion of Luigi and Bimba’s truck, their deaths marking a brutal turning point in the mission. Jo and Mario Livi press forward, attempting to guide the vehicle through an oil-filled crater created by a ruptured pipeline. The task becomes a desperate struggle as they try to keep the truck from bogging down in the slick, dangerous terrain. In the ensuing chaos, Jo is mortally wounded when he is struck as the vehicle is maneuvered free from the sticky oil. The crew returns to the SOC oil field as heroes for having survived the ordeal, but the price is heartbreakingly high: Jo is dead, and Mario Livi survives only by sheer exhaustion.
Back in the cantina, the town prepares to celebrate the surviving driver who has endured this perilous trial. Mario Livi recovers and walks away with double the wages, a bitter reward that feels hollow in light of his friends’ deaths. He declines a chauffeur offered by SOC, choosing instead to drive himself, a decision that reflects both pride and a stubborn refusal to be coddled by the very system that exploited him. The scene shifts to a mounting sense of triumph and defiance as a party roars in the cantina, where Linda dances and the crowd cheers. Yet the celebration is tempered by fate, and when Mario Livi takes a corner too fast on the mountain road, the car plunges through a guardrail. The final image is a stark opposite of victory: after having dodged death so many times, [Mario] meets his end in a moment of reckless, blazing finality.
The film closes on a note of quiet, unflinching realism. It juxtaposes the film’s intense camaraderie and the brutal economics that push ordinary men toward extraordinary risk. The drivers face not only a hazardous convoy but also a moral landscape where loyalty, betrayal, and the lure of a quick escape from poverty collide. In the end, the story remains faithful to its central tension: the cost of survival in a world where the only options are perilous bravery and quiet resignation, with each man carried by his own stubborn hope as the desert wind continues to blow across Las Piedras.