In desperate need to find gold, both crews must dive to survive, leading them to make risky decisions that almost cost crewmembers their lives. Still, at every turn, Dustin and crew continue to fight the demons of Nugget Creek to reach a big payday.

Dakota Fred locks horns with a 50-ton monster in the ultimate treasure hunt for life-changing gold. Dustin's crew refuses to yield to the looming danger above, and Kayla's crew makes a monumental discovery that could turn their season around.