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?

Late summer's worsening weather drives the dredges off their honey holes and finally breaks the Kellys, who tell Steve R they quit. While Steve loses MINNOW to the repo man, Glen finally finds his DRAGON. Hank wagers Shawn an ounce of gold.

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.

Shawn & the new backhoe prove he is "Mr. Gold". Vernon and Emily's apologies & promises won't convince their crews to return. Zeke returns with a funky new way to make it rich in Nome. He also ends his friendship with the Riedel family for good.

While Hank tests Mother Nature by staying out dredging in the storm, Shawn races to bring his dredge home. Emily and Glen head inland to river dredge. Her crew sews seeds of mutiny. Kris almost drowns from faulty equipment and Steve R's inattention.

The Pomrenkes hit pay dirt and bring in 10 lbs of gold. Scott swallows his pride and asks Hank for his old job back, but can he last? On the tiny MINNOW, can hot-headed Kris keep the peace with arrogant Glen long enough to get the gold?

Halfway through the summer, tempers flare and the captains question their crews' loyalty. Shawn threatens to quit the family business. Kris comes to blows with Steve R. Emily rushes Shem to the ER. Hank reaches the end of his patience with Scott.

An unexpected visit from the Coast Guard doesn't go well for two dredges. Hank's megadredge is close to claimjumping on CHRISTINE ROSE's honey hole but it doesn't mean he'll find gold.

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. Zeke demands Emily pay up or give up her dredge. The Kellys fight off claim jumpers.

The Pomrenkes must call for help when rough seas break the Christine Rose. Emily's crew set out to re-teach her how to dredge. Rumors swirl but Zeke tells the full story of his disturbing night in jail and the hospital.

Summer dredging season begins. Emily's 1st day as captain goes up in flames. Zeke has a run-in with the law. Steve R is 1st out, but his crew strands him on an iceberg.