The wrath of Arctic storm Elsa hits the Cornelia hardest as a breakaway pot thrashes Josh and Casey's crew. And, the icy blasts threaten to capsize the Wizard.

Just miles from the fleet, the fishing vessel Destination disappears without a trace. In an unprecedented investigation, the mystery can finally be solved. But captains must make big changes, or risk sailing into the same peril on the icy Bering Sea.