Fred and his crew return to the glory hole to complete unfinished business. Dustin's crew strikes gold, but are blocked by massive boulders and must engineer an insane system of winches and pulleys to go deeper and get down to bedrock.

Dustin's crew is left shorthanded after an unlikely injury, forcing him to take a calculated risk that nearly tums deadly. After his luck tums, Fred's dives on his 76th birthday to decode a bedrock gold mystery.