On the brink of failure, Josh Harris discovers secret fishing grounds in his late father's logbooks. A deck mishap could end Jake's season. The Coast Guard braves pitching seas in an attempt to hoist an injured sailor from inside a ship's tank.

A massive tidal surge threatens Josh and Monte as they chase their bounty deep into an arctic storm. Wild Bill hopes to get his broken boat off the dock. The rest of the fleet arrives for the start of Opilio.