A new season opal hunting begins! The Rookies face potential disaster from the get go; for Col's Crew, their mining quest is derailed by a serious illness, and the Opal Queen brings in new muscle and ...

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.