Zeke endangers his brother's life with another risky plan.
Shawn offers the fleet access to his virgin claim of Bering Sea floor.
When Zeke's sluice malfunctions, Emily tries to save the Clark's season.
A mistake made by father Steve could end his quest. Flu hits the dredgers.
Halfway through ice season, teams desperately attempt to double production.
A double sluice and lack of divers sees Emily confront her deepest fear.
The crews suffer dangerous mishaps and health scares as the season ends.
