As the season opens, the King of the Swamp, Troy Landry, finds himself going head-to-head with Mother Nature. The water in the basin is higher than it's ever been, pushing the monsters into inaccessible back ponds and woods. On top of that, a cold front has moved into Louisiana making conditions even worse. As he and his family brace for what could be their worse season ever, the King discovers more bad news; R.J. and Jay Paul have invaded his area, using their airboat to get to the gators that are out of his reach. Over in Hammond, Bruce Mitchell prepares to start his second season without his beloved hunting dog Tyler. His partner, Ron Methvin thinks he has a great surprise for Bruce, but when they meet up, the plan blows up and puts their partnership to the test. And, at the end of the first day of gator hunting, Troy makes an announcement that rattles his family to the bone.

After a horrible start to the season, Troy is desperate and does the unthinkable by bringing in outside help, despite objections from his sons and brother. Meanwhile, Ron is determined to turn his puppy into a gator dog; and an unorthodox duo known as "Salt and Pepper" enter the fray and hope to get their piece of the action.

Despite his worst start ever, The King of the Swamp is determined to fill his 500- plus tags this year. Armed with the help of fellow swamper Daniel Edgar's family, he takes on the high water and cold weather in true Cajun fashion. Meanwhile, Frenchy Crochet and Gee Singleton's best laid plans literally blow up in their face. Will it end their season before it gets started? And in Houma, R.J. and Jay Paul continue their fast start to the season and reveal a family secret.

Despite help from The Edgar family, The King of the Swamp, Troy Landry is still behind on his tag count. The Edgars have headed home and now Troy must dig deep to rally his troops if he hopes to tag out this season. Back on their home turf, Daniel, Joey and Dorian Edgar are ready to fill their boats with gators but unforeseen forces complicate their mission. And Glenn Guist is always right at home in the swamp, putting food on the table in surprising and "Guisty" ways.

Willie Edwards is back and this year he's striking out on his own. Armed with his trademark treble hook, this solo hunter is blind-sided by the biggest monster he's ever taken on--and it's war. Down south, Daniel Edgar is facing his own battle as he attempts to take down a foe that has haunted him for years. In Houma, an injury may put an end to R.J.'s season. And the Salt and Pepper team of Frenchy and Gee dig deep into their faith as Frenchy sets out after a beast that has been torturing him in his dreams.

When Daniel Edgar's boys show up late and hung-over, the party quickly comes to an end. Troy does battle with a poacher, as Willie risks it all to get the biggest gator he's ever hooked. Over in Hammond, Ron pushes to get the puppy a second chance with Bruce.

Troy uses an old family secret to change his luck. R.J. and Jay Paul square off with the Edgar family as they hunt the same territory, and Glen Guist practices "Swamp Medicine" and pays tribute to his brother, Mitch.

Troy and his family push their season to the limit when they gamble on a new territory. R.J. goes solo and comes face to face with the truth. Bruce puts Ron's puppy to the test and Frenchy and Gee head to hog heaven.

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Troy and Guy stalk what could be their biggest gator of the season. In Houma, Jay Paul makes a bad call that could cost him and his father big bucks. In Franklin, Daniel Edgar's obsession gets the best of him and Glen Guist uses a swamp trick to get his boat to a favorite fishing hole.

Troy and Guy hustle to fill tags near the season's end. Jacob and Chase get a surprise while fishing their backyard. The Edgars catch a cold spell as lines come up empty. Bruce and Ron put their puppy to the ultimate test.

The Landry's race to tag out on the last day of the season, but they've got company, as R.J. and Jay Paul invade their territory looking to tag out themselves. And the Edgars attempt to catch their last haul of gators...with a little help from their friends.