Legacy fisherman Josh Harris embarks on a quest to explore the coast of Hawaii, guided by maps left behind by his late father, Phil Harris.
Cast: Josh Harris, Casey McManus, Jeff Silva, Jonathan Hillstrand
In the season 3 finale, after Hurricane Ida wrecks their Gulf Coast hotspot, Josh, Casey and Shane return to Hawaii where the dream began to complete their season. But even in paradise, mother nature has an even bigger disaster in store.
As Hurricane Ida slams the Gulf Coast, Josh, Casey and Shane are forced to abandon ship in a mass evacuation. With their fishing Mecca in ruins, they scramble to help survivors. Jeff closes a new deal in Kona and recruits fishing legend, John Hillstrand.
Josh and Casey land a seafood order big enough to launch a second wing of their fishing business. But when Jeff gets an urgent call back to Hawaii, they must reach out for reinforcements gambling that Bering Sea veteran, Wild Bill, answers the call.
Josh and his brother Shane discover the most promising lead yet about what their father Phil was doing decades ago in the Gulf of Mexico. Casey and Jeff attempt to fill a challenging order by spearfishing in the murky water beneath the oil rigs.
In the fishing hotspot of Venice in Louisiana, a buyer demands an unfamiliar freshwater species - and Josh and the team hook a prehistoric monster.
With fresh clues from their father's past, Josh and his brother Shane head to Louisiana, where Wild Bill Wichrowski helps them follow a trail that leads to the man who built the Cornelia Marie and to rich new fishing grounds in the Gulf.
Josh and Shane pick up a new trail left by their father that leads them to Wild Bill and an unexpected location in the Gulf of Mexico. In Hawaii, Casey and Jeff battle circling sharks to pull in large fish to help them rebuild a base of restaurant buyers.
Facing two strikes with their Vegas buyers, Josh and Casey turn to Jeff for help from his secretive Hawaiian network. But when a short order leads to strike three, the guys get fired by their biggest client, leading Josh to leave Hawaii for new grounds.
Josh's crew bites off more than they can chew searching for tuna in Kauai.
Captain Josh Harris reunites with his estranged older brother Shane, opening a new door in his quest for their legendary father, Phil Harris' legacy and an unexpected new destination in his search of a warm water fishing empire.