A real estate tycoon lux sets his sights on quaint fishing town full moon bay as the new location for a seaside getaway for the wealthy but the residents who own property where he wants to build are not so keen when they refuse to budge lux laces the water supply with a toxin deadly to marine life in order to force the local fishermen out but the toxin reacts with the local sharks turning them deadly and with no fish around to eat they turn to humans as their new snack the fishermen must e