The captains eye comebacks.
Keith and Junior form a covert alliance on the Bering Sea; Elliot debuts his new boat on the dangerous blue crab grounds; the Northwestern crew faces a surprise challenge.
Injuries and sickness plague the Seabrooke and the Wizard.
Junior and Elliott team up.
Tempers flare aboard the Northwestern.
Sig reclaims the Northwestern; Jake pursues his dream of becoming a captain.
Junior tends to his father; a newcomer thinks about quitting.
Crew members are pushed to their breaking point.
Tensions rise aboard the Wizard.