A group of vacationers finds themselves trapped in the remote swamplands of Louisiana after losing their way during what was supposed to be a relaxing getaway. Stranded far from safety, they soon discover that the wilderness hides a far greater danger than they expected. A massive and aggressive hippopotamus is roaming the area, turning their misfortune into a desperate fight for survival. As panic spreads and escape routes become increasingly limited, the group must work together to stay alive while avoiding the deadly creature. Surrounded by hostile terrain and constant danger, they are forced into a terrifying battle against both nature and a relentless predator.