The Mississippi River curves and bends from Minnesota to Louisiana… and so do the fortunes of the people out on the river. Gary and Eddie move up into the catfishing business, only to find that it's far more cut throat than they expected and they'll have to be creative to survive. While the Tubbs tug boat crew rush to save a sinking boat, Matt's rushes to save his own hide after a pool hustle gets out of hand. And an old treasure hunter with a new first mate at his side starts his journey. They all learn quickly that you never know what the river will throw your way.
