Two megadredges race to reach a contested claim site. Emily heads out with her new, poached crew. The Kellys almost come to blows when accused of claim jumping. Glen's engineering genius pays off big.

As Nome Harbor freezes over, the crews head out for a last chance at success. It's battle of the barges when Hank wagers Shawn who can box more gold. Zeke returns to the water. Can Emily pay him off once and for all?