Kicking off the fishing in the Naknek district, the Ferrigno family quickly sets the bar with a monster haul. Also in Naknek, the high-octane Thunder is hot on the Salmon trail, but a freak encounter with another boat causes a terrible reversal of fortune.

It's make or break time in Bristol Bay, Alaska and peak of the Salmon season arrives with a vengeance. Things are looking bleak for the crew of the Jimmy Jeff until Captain Luke's risky move of secretly fishing the shoreline pays out in red gold.