Local fishermen wage war after an invasive species of giant rodents called nutria begin overrunning the swamps of Louisiana. These South American rats disrupt the local ecosystem and erode the wetlands that protect nearby towns from hurricanes, threatening a community and unique culture already barely surviving. Directed by Quinn Costello, Chris Metzler and Jeff Springer. Narrated by Wendell Pierce., Local fishermen wage war after an invasive species of giant rodents called nutria begin overrunning the swamps of Louisiana. These South American rats disrupt the local ecosystem and erode the wetlands that protect nearby towns from hurricanes, threatening a community and unique culture already barely surviving.