Mining alone and desperate for cash, Dan Measey gambles on new but unproven AI technology for opal detection, which could revolutionize the opal industry -- if it works. As rising temperatures herald the end of the season, the Misfits must repair a derelict auto bucket tipper to connect two underground drives. A jammed tipper bucket leaves Cody trapped and at the mercy of the machine's deadly reputation. Locked in the grip of a relentless drought, Slim Pickings' members Lee and Roger lose the race to tail out before their parched dam finally dries up, forcing the team to relocate their mining operation in desperate search of water.