Sig strikes gold raiding Keith's hot spot, but when a line snarls his wheel, he must call his rival for help. A rogue wave knocks out Rick's electronics, forcing Bob to take the helm. Harley breaks in a new co-captain, only to break down at sea.

In the winter premiere, the snow crab fishery reopens unexpectedly after three years -- and Keith and Jake charge north, only to collide with an incoming Siberian storm. Sig and Rick form a wary alliance, but with big money on the line, trust fails fast.