It's the final day of tuna season and only a couple giants still remain in the frigid waters. The pressure is intense as Captain Jeff Mills makes one last effort to catch a money fish. Also, Steve Clapperton strives for a huge catch for his final client.

With one week left in the season, the cold weather could push the tuna south at any moment. Captain Trevor Malone heads out to catch his Bluefin with nothing but a hand-line and a new client could bring a payday for Fisherman-for-hire Steve Clapperton.

Captain Jeff MacNeill plays with fire by hunting Bluefin among the crowded waters of the herring fleet. Captain Matt Panuska faces a run of near misses, making him question everything. Steve Clapperton starts his season with a challenging overnight trip.

Pressure ramps up as the North Atlantic Bluefin season enters its second week. Captain Ricky Brennan and his son Nathan search for a giant that will bring a payday. After a hazing, newbie Captain Jeff Mills is determined to catch a big money fish.

In the North Atlantic, treasure lurks in the deep with the biggest and most valuable fish in the sea: the monster Atlantic Bluefin Tuna. The toughest fishermen on earth battle these giants in hopes of bringing home a fish that can earn a $30,000 fortune.