In Florida, the Dreadknots come face-to-face with one of the most fearsome creatures in the river, while over in the swamp, Shelby and Donna are putting his new paddle barge to work. In Washington, DJ returns to work but faces another battle with Craig. And in Wisconsin, the Woodchucks are pushing hard to meet their deadline, but dangerous shortcuts could bring the whole operation down.

When Hurricane Isaac hits the bayou, Shelby Stanga must race to save his logging empire and neighbors. At Rygaard, a string of crew meltdowns sends the site into chaos. In Florida, Brad and Swilley struggle to get S&S back in the Log-Off after losing their captain. In Canada, Lemare faces an equipment breakdown that could end their whole season, and in Wisconsin, a major accident at the Woodchucks causes the site boss to quit.