Set in the post-Civil War Old West, the film begins as Peck leads a band of seven masked desperadoes in a bank robbery. Loading the bullion into their saddlebags, the robbers gallop off, the US Cavalry in hot pursuit. An enormous salt flat is the outlaws' only conceivable avenue of escape,
so Peck leads his men into the arid, sun-blistered area. Their water gone, the dehydrated desperadoes chance upon a ghost town, heralded by a sign that reads "Yellow Sky--fastest growing town in the territory." The town is completely deserted, save for dotty old prospector Barton and his tomboy
granddaughter Baxter. Greed for both the gold and the girl causes dissension among the...