"Devil's Gold" follows veteran sulfur miner, Selemat, during his daily climb up and down the Kawah Ijen mountain. Traversing the narrow path back and forth into the crater, miners like Selemat carry up to 100 kilograms of sulfuric rock throughout the night in an effort to earn 4-5 times the wages of alternative work like farming or construction. However, with toxic gas spouting from the ground beneath them as they work, the life expectancy of a miner is cut short.