The end of the season is near, and the Gloucester vets are being bested by their rivals, who have taken control of the leaderboard. As the captains fight for what could be their last bluefin, the battle between the Pinwheel and the Kraken turns into an all-out war. Will these captains be able to focus and put meat on deck, or will they finally reach their breaking point?

In the explosive season finale, the fleet continues to battle extreme weather, monster bluefin and uncertain profits as everyone fights to land the No. 1 spot — and one last tuna. With hours left, it's anyone's opportunity to bring home the winning fish. Will the Gloucester captains be successful on their home turf, or will the "tourists" prove too strong to defeat?

It's opening day of the bluefin season, but the coronavirus pandemic promises to make this year different than any before. With less demand for the product, the captains of Gloucester, Massachusetts, face a series of challenges—time off the water, lower prices from the buyers, and day after day of uncertainty—and resolve to work together to make the most of an unprecedented season.