白令海捕(bǔ )蟹船队(duì )遭遇前(qián )所未有的双重打击:前季严(yán )冬造成(chéng )超十几艘船首冰损,大量船只(zhī )滞留船(chuán )坞;帝王蟹配额被大幅削减(jiǎn ),船长们(men )背负修船债务,只能转战青蟹(xiè )渔场搏(bó )命。风暴、浮冰与零下39度极寒(hán )交织——“西北号”西格船长让弟弟埃(āi )德加首(shǒu )次独立掌舵青蟹船,新手尼克(kè )仓促上(shàng )阵;“巫师号”基思船长遭遇船(chuán )员斗殴(ōu )、海象(xiàng )尸体捞牙等荒唐插曲(qǔ );“时光(guāng )大盗号(hào )”安迪船长为救结冰的(de )笼子险(xiǎn )些船毁(huǐ )人亡;“西布鲁克号”小斯科特(tè )与浮冰(bīng )竞速抢救蟹笼,甲板主管葡萄(táo )球菌感(gǎn )染命悬一线。雪蟹季收官时,“西(xī )北号”埃(āi )德加以10万千克捕捞量证明自(zì )己,“巫师(shī )号”满载23万千克螃蟹、价值295万(wàn )美元返(fǎn )航。季末,老将杰克·安德森告(gào )别“西北(běi )号”开启(qǐ )新船长生涯!