As the Swampers battle the extreme heat, Ronnie pushes himself to the brink. Troy and Terral head out on an overnight mission to defend a state park, while Dusty uses some Everglades magic in the swamp. With Big Tee injured, Daniel goes on a risky solo mission. As a major storm rages in the Gulf Coast, Troy, Terral, Jacob and Dusty race to run their lines before the storm sinks their gators. Meanwhile, severe lightning forces Ronnie and Ashley to take emergency shelter.