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The last moments of the fall season bring its biggest storm; Wild Bill struggles to pilot his new boat in big seas; Johnathan faces off with a massive swell in the perilous False Pass.
Competition doubles when the quota is cut in half; and three captains arrive early for the winter season, but Johnathan goes one step further and plots a dangerous 600-mile course to Russia.
Sig returns to the season that nearly killed him; Keith and son struggle to prove themselves after a tough start; Wild Bill gives Nick McGlashan a second chance; and Jake lets go of a friend.
When the Arctic opens up its winter wrath, the first of multiple back-to-back hurricanes descends on the fleet. Later, spotty fishing and mutiny also converge to create the perfect storm.
An Arctic mega-storm rocks the fleet; Sig plays cat-and-mouse with towering waves; Keith watches an 800-pound crab pot launch into a deckhand's spine; and Wild Bill fights for a comeback.
Sig's stress takes a toll; Sean tries to dock in a hurricane; Keith is left dead-stick in massive seas; Jake motivates a defiant hand; and Johnathan rolls the dice by Russia.
Sig, Johnathan and Jake attempt to run from a second arctic hurricane, but Keith refuses to heed the warnings. Stress-induced chest pains threaten the remainder of Sig's season.
After suffering chest pains, Sig awaits news in the hospital; Wild Bill struggles to stay out of harm's way while also handling dissention on deck; and Sean lays down the law with Zack.
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