The captains return to Dutch Harbor days before the opening of king crab season. As they prepare their boats and their crews to battle the Bering Sea, they must also face each other to settle unfinished business from the past season.

Atop the king crab super swarm, full pots boil over into conflict as young guns Sean and Jake join forces to set down Sig. Keith and Harley reignite a decades old rivalry, and Sean faces the long arm of Alaska law when crab in his tank come up short.