A busted dirt hauling bogger bucket threatens the Cheals' ambitions for mammoth back-to-back opal hauls, as they remove the last dirt from a super pillar holding up their entire mine. The Opal Whisperers partnership with veteran miner Uwe ends abruptly. Desperate for stock to sell at the Lightning Ridge Opal Festival they call in a favor to mine their claim with an excavator and undercover a $40,000 boulder opal. The Misfits finally hit old timers' workings at the bottom of their open cut mine. Exploration of the claustrophobic tunnels are cut short as heavy vibrations risk a mine collapse. Angel attempts her first opal sale at the Lightning Ridge Opal Festival.