A freak hurricane hits Los Angeles, causing man-eating sharks to be scooped up in tornadoes and flooding the city with shark-infested seawater. Surfer and bar-owner Fin sets out with his friends Baz and Nova to rescue his estranged wife April and teenage daughter Claudia.
When a colossal tectonic shift causes the sea level to start rising, a microbiologist gathers the DNA of as many species as she can, while the military creates an "ark" in a desperate attempt to preserve life on Earth.
