Alexandre Aja
After a sudden underwater tremor sets free scores of the prehistoric man-eating fish, an unlikely group of strangers must band together to stop themselves from becoming fish food for the area's new razor-toothed residents.
After a sudden underwater earthquake, that releases thousands of prehistoric piranha just in time for spring break. As the spring breakers party at Lake Victoria the piranhas attack and local police, friends and family must work together to stop it.