Based on

Movies like Incident at Phantom Hill (1966)

At the end of the Civil War, a major shipment of Union gold has been stolen and buried in the desert. Only one man knows the whereabouts of gold and the US Army sends captain Matt Martin to arrest him and come back with the gold. Martin, his prisoner and a handful of men enter Indian territory in search of the precious cargo. The Apaches, outlaws and storms will make it difficult.