Nome, Alaska. Miners risk their lives diving below the ice on the frozen Bering Sea for a fortune in gold. While one miner nearly loses his life, another hits his biggest payday ever.

The Bering Sea ice shelf begins to break up, putting the dredges at risk; the fleet scrambles for their last pans of gold.

Nome, Alaska - With temperatures rising and the Bering Sea melting, time is running out for the fleet of gold dredgers. As the ice begins to fracture, one team sees their dream of getting on the gold float out to sea.

The hard reality of the winter season begins to set in. Partnerships become strained as tempers and egos flare. On the Miss Nomer, Glen LeBaron gripes and Zeke Tenhoff faces the judge. On the Reaper, a discussion about money turns ugly. Emily Riedel snaps over frozen equipment, and on The Wild Ranger, Jason starts to rub everyone the wrong way.

Shamrocks electrical fire forces a diver's emergency ascent. The Clark's rookie ice divers gasp for air. The Lazy Gators Joe finds a huge picker, but their operation grinds to a halt when an accidentally sucked up boulder clogs the hose.

The summer season over, 3 teams of miners dive under the ice to dredge gold on the floor of the Bering Sea. Two dredge teams struggle to winterize their operations, train their crews, and get the gold. But one new, scrappy crew of friends hits pay dirt.

Halfway through the winter dredging season, tempers flare on The Clark. The Lazy Gators do a perilous freedive to try and recapture their only breathing apparatus, tangled underwater in a buoy. A new Shamrock diver tests his own nerve and Shawn's patience.

Winter is on its way out. Shamrock Phil gets one last chance. Clark's Zeke gets pinned up under the ice when he loses his weight belt. A Lazy Gator tender nods off, unaware of diver Jesse's distress call when his hose gets caught on an ice chandelier.