Alan and Salty head to wine country to chase a gold rush legend, a drought threatens to end the season for Shane and Kate and The Poseidon Crew use an over-sized metal detector to get some seriously oversized nuggets.
Jacqui and Andrew are threatened by deadly snakes and sharp rocks on their hunt for gold. Office worker Kat is in at the deep end trying to handle the big machines. Shane and Kate are on the gold, but will they have the equipment to extract it?
Expert analysis and experience combine to put Shane and Kate on the gold, while Nev takes Brent and Ethan to a secret spot in the Great Australian Desert, and Alan and Salty risk getting stranded by the tide on isolated salt flats.
Jacqui and Andrew get trapped behind the line of a devastating bushfire, the McGhies bring in new equipment to uncover a gold-rich patch and The Gold Devils are torn apart when a team member goes off on their own.
Three hard-core crews of gold prospectors take the gamble of a lifetime and battle to strike it big, deep in the wild west of outback Australia. The soaring highs and the crushing lows of the gold season are revealed as the crews pursue their all-important targets - braving brutal heat, punishing conditions, mechanical breakdowns and constant pressure.