CDC researcher Abby Arcane investigates what seems to be a deadly swamp-born virus in a small town in Louisiana but she soon discovers that the swamp holds mystical and terrifying secrets. When unexplainable and chilling horrors emerge from the murky marsh, no one is safe.

Crystal Reed, Andy Bean, Will Patton, Virginia Madsen, Maria Sten, Derek Mears, Jeryl Prescott, Kevin Durand, Henderson Wade