On the Saga, Sean Dwyer joins Jake for a high-risk trek west to Adak Island. Rick attempts a dangerous shortcut through the treacherous tides of Unimak Pass. Sig's deckhand Lauritz takes a brutal fall while Johnathan bids farewell to a lifelong friend.

With a storm threatening his record-breaking run, Johnathan allies with Keith to triangulate the crab. Jack braves treacherous tidal currents, staking his redemption on loaded pots. In 30-foot waves, chaos strikes the Wizard when its stack breaks loose.