New season brings flash-flood chaos to bayou from distant storms, disrupting local life.

As historic floodwaters from the north swallow the bayou, Troy and Pickle struggle with drowned lines, until a lesson from a late swamp legend gives them a fighting chance. Bruce and Anna try to lure in migrating giants with a potent secret sauce. Team Edgar pulls double duty, after pulling an all nighter on a shrimp boat Joey and Kallie battle exhaustion and rising water, while Daniel and Zak reignite their fierce rod-and-reel rivalry in a high-stakes showdown.As historic floodwaters from the north swallow the bayou, Troy and Pickle struggle with drowned lines, until a lesson from a late swamp legend gives them a fighting chance. Bruce and Anna try to lure in migrating giants with a potent secret sauce. Team Edgar pulls double duty, after pulling an all nighter on a shrimp boat Joey and Kallie battle exhaustion and rising water, while Daniel and Zak reignite their fierce rod-and-reel rivalry in a high-stakes showdown.