After a group of college students decide to enjoy their vacation at sea, they embark on a long journey to San Francisco. However along the way their boat runs out of fuel, and they have no way of contacting anyone for help. That’s when they hear something from underneath the boat, it’s multiple bloodthirsty hippos. Which rise to the surface to kill the group. One by one they get picked off and eaten by the hippos, can any of the others survive?
