Henri-Georges Clouzot's gripping 1953 thriller throws four men into a primal struggle against the jungle armed with modern machinery and their own nerves and endurance. The squalid, isolated South American town of Las Piedras is a veritable refuge turned prison for criminals from all over the world. When an oil fire ignites 300 miles away, dozens of desperate volunteers apply for the dangerous job of driving highly volatile nitroglycerin across rugged jungle roads--for a $2,000 payday. The bulk of the film charts the slow, grueling trek over bumpy, pothole-dotted dirt roads and worse. A dangerous cutback forces the trucks to back over a rotting wooden platform built over a cliff, a boulder in the road must be blasted away, and a river of oil (gushing from a broken pipeline) must be forded--all with one ton of explosive nitro resting in the back of each truck. The ordeal forges a tough-guy trust between German Bimba (Peter Van Eyck) and Italian Luigi (Folco Lulli) but tears apart Frenchmen Mario (Yves Montand) and Jo (Charles Vanel). Former gangland hotshot Jo finds his once-fearless exterior cracked, while Mario discovers in himself a new grit and tenacity. Clouzot's stark, simple imagery and painstaking attention to detail create a riveting tension that never lets up, intensified by the ruthless drive of Mario, who proves he will do anything--anything--to get his truck through. William Freidkin remade the film in 1977 as the stylish Sorcerer.