Hugh and Jarrin need an eleventh-hour miracle to keep their mining operation alive, Patrick and Kirsty are desperate for an $80,000 payday of high-grade crystals while veteran prospector Terry sets up a makeshift forge and overcomes extreme temperatures in his hunt for the oldest mineral on earth.

Pete and Kyle take the biggest gamble of their season hunting valuable Tourmaline crystals as Hugh and Jarrin tackle the world's only Stitchtite quarry while Patrick and Luke explore not far from where a $250,000 crystal was unearthed.