A rare weather event churns up rogue waves as supermoon tides collide with a cyclonic snowstorm. Josh and Casey face a 55-foot monster, while Jake risks capsizing to repair his rudder in unruly seas. Monte's big move north pays off in massive pots.
 

As the fleet mounts a final Winter season push, sad news rattles the Cornelia Marie wheelhouse. Lady Alaska greenhorn, Gabby, overcomes a painful injury to support her crew. Wild Bill's deckhands must devise a bush fix or face hauling pots by hand.