Old Timer, Ray, and his best mate Paul set foot together on a new claim for the very first time before the apprentices are instructed to begin connecting two mine shafts via an underground drive.

After a striking run of bad fortune, the Bushies are back digging on Max’s claim. The Richardsons return to a long-forgotten claim and try to decide whether or not it is worth reopening.

After missing the mark in their attempt to connect the underground shafts, the Mifsuds call on their kids for a little help. Ray finally gets decent sapphires out of his new claim.

The annual Gemfields Festival is fast approaching, and Todd and Bri are madly stockpiling gems, preparing the best ones for sale. The Mifsuds undertake yet another massive maintenance job.

Following the highs and the lows of a community of passionate sapphire hunters who work under extreme conditions in the heart of Central Queensland. Some have given up everything in hopes of getting rich, so tensions can run extremely high.

Anthony goes back to school, learning to cut gems while Jodie enjoys the peace as she digs alone. The Richardsons dig deep at the old Rabbi Claim. The Old Timers take on the massive challenge to move a 500 kilogram billie boulder out of a shaft wall.