In the wake of a bizarre hurricane that strikes Los Angeles, the city is inundated with floodwaters teeming with man-eating sharks swept up by tornadoes. Fin, a surfer and bar owner, teams up with his friends Baz and Nova to embark on a perilous mission. Their ultimate goal: to rescue Fin’s estranged wife, April, and their teenage daughter, Claudia, from the chaos and danger that has engulfed their city. As they navigate through the shark-infested waters, they must confront not only the deadly predators but also the strains of their personal relationships.