At the dawn of a new gator season, a devastating onslaught of storms and hurricanes threatens the fate of swampers' livelihoods. As dark clouds roll in, Troy unleashes his armada of boats, launching a full assault on the bayou, as he institutes an ambitious quota for day one. Ronnie and Timmy risk a perilous trip outside the Locks, racing against the rising sea levels. Jacob puts his new partner Little Willie to the ultimate test, while Joey takes a gamble on training his daughter to be his new deckhand to carry on the family legacy. Meanwhile, Don Brewer faces the pressure of captaining his own boat under the weight of Troy's lofty expectations, with a greenhorn by his side.
Troy and Pickle take a calculated gamble in the sugarcane fields; Leron and Porkchop defy superstition by venturing into Scary Bayou; Daniel challenges his new deckhand in a friendly but fierce competition; Bruce fishes with a new partner.
With Hurricane Francine barreling toward Louisiana, swampers rush to stack their boats before the storm's landfall; Troy and Pickle head to Lake Fausse Pointe, where they hope to fill the boat; Ronnie is forced to hunt solo after Timmy becomes ill.
Hunters face the dual challenge of navigating a dangerous storm and preserving their season; Ronnie and Timmy bet on a feeding frenzy; Joey and Kallie hunt open waters; Troy and Pickle hunt to the bitter end; Bruce and Anna search for giants.
Ronnie and Timmy fight to finish their marsh tags before the gators move inland; Bruce and Anna chase monsters in a remote honey hole; Jacob unleashes Little Willie on the bayou beasts; Troy and Pickle wage war against a cannibal gator.
Swampers race to cash in on a post-hurricane feeding frenzy. Troy and Pickle take on a dangerous hunt using spears to fill their tags in a no-firearms zone. Joey and Kallie venture deep into the remote Blackwater Swamp in search of a legendary 14-foot monster. Little Willie gets the chance to prove himself as he runs 50 lines alone. Bruce and Anna battle breakdowns and boat trouble in a promising new hunting area.
As record-breaking heat descends on Southern Louisiana, Troy and Pickle rely on shaded lines along the edge of Lake Verret to protect their catch from the blistering sun. Jacob and Little Willie target deeper, cooler bayous to chase gators seeking protection from the heat. Daniel and Zak bait lines near gator dens, hoping to snag the beasts sticking close to home. Bruce and Anna are forced to offload their gators midway through the day to preserve their monster haul. Leron pushes his limits, battling heat exhaustion as Porkchop steps up to take charge.
As a full moon rises over Southern Louisiana, the swamp comes alive. Daniel and Zak try to cash in on a feeding frenzy with an open-water hunt. Ronnie and Timmy work to eliminate a massive nuisance gator threatening their friend's property. Leron and Porkchop gear up for a showdown with their elusive nemesis, Iron Jaw. Jacob and Little Willie try to reach a ten-foot average. Troy enlists Chase's help to fill his boat quickly, so he can officiate Pickle's wedding.