Rookie Opal Hunters Daniel Becker and Justin Lang leave their families behind, risking it all to chase an opal fortune. Lucky enough to stake a claim on a legendary site known as Shell Patch Reserve, will their luck continue or come to a costly end?
Rookies Justin and Daniel tread a dangerous path underground in Coober Pedy, while father-and-daughter mining team Kelly and Al race to stake a claim in Lightning Ridge in an attempt to turn their fortunes around.
Pete and Mick's mining operation grinds to a sudden halt, while Col's Crew heads underground. The Rookies are in despair until mentor John Dunstan steps in with a last-minute lifeline.
Daniel returns to Coober Pedy a new Dad, determined to find more white opal. Col raises the stakes, forking out thousands on an ancient and dangerous exploration rig, while the Opal Queen and her Dad battle the clock, the weather and a deadly cactus.
It's brother vs. brother as Peter and Mick Cooke go head-to-head in an epic scrapheap challenge to build a monster opal-hunting machine. Meanwhile, the Rookies are forced to start hunting at night.
Desperate to move more rock, the Rookies get a lesson in the dangerous art of bomb-making. Al and Kelly's lease is up. while Col returns to action after a health scare.
With the end of the season fast approaching, the Rookies risk cave-ins at their abandoned mine claim. Deep underground, Bomb King George is trapped in the blast zone.
The mining season is almost over. To reach their target, Col's crew takes one last gamble by opal spotting from the air. The Cookes make one final attempt to save their opal machine and the Rookies get lucky.