After the events at Lake Victoria, the prehistoric school of blood-thirsty piranhas make their way into swimming pools, plumbing, and a newly opened water park.

The monsters have made it into a small neighboring town in the middle of nowhere and the locals have to band with the survivors of the bar' slaughter to figure out how to survive.

When a motley crew of strangers find themselves trapped in an isolated tavern, they must band together in a battle for survival against a family of flesh-hungry creatures.