In Nome, Alaska, the gold rush is on! Meet the dredgers who pilot their dredges and dive with hoses to suck up gold from the bottom of the frigid, unpredictable Bering Sea.
The Pomrenkes have to call for help when rough seas break their vessel, Emily's crew set out to re-teach her how to dredge and Zeke reveals his run-in with the law.
It's beautiful dredging weather, but things are ugly. The Pomrenkes swallow their pride and ask megadredger Hank for help to get their pinned barge operating again.
The Pomrenkes hit pay dirt and bring in 10 pounds of gold. Meanwhile, recently fired Scott swallows his pride and asks Hank for his old job back, but will he last?
As the season's midway point passes, some dredges struggle to make a profit. Captains are challenged by uncooperative crew and relationships of all kinds are tested.
Winter closes in, sending the gold dredgers sprinting down the season's homestretch. Every moment counts, as rivals Shawn Pomerenke and Hank Schimschat clash over territory.
The two megadredges race to reach a contested claim site. Hank wins the race, but Shawn gets the last laugh. Plus, Emily heads out with her new, poached crew.
Late summer's weather drives the dredges reluctantly off their best spots and finally breaks the Kellys. Meanwhile, Steve loses his dredger to the repo man.
As Nome Harbour freezes over, the crews head out for one last chance at success. It's battle of the barges when Hank wagers Shawn who can box more gold.