In a beach town, a tourist is attacked and killed by sharks, leaving the police chief to fight to close the beaches. But as more shark attacks occur, the police chief, a marine biologist, and a shark hunter team up to locate and dispose of the predator that is terrorizing the town.
Years after the horrifying shark attacks on Amity's citizens, the disaster returns one more time when a man-eating shark starts to prowl on the town's beaches, while Sheriff Martin Brody tries to find a way to end the threat.
Marine biologists attempt to capture a young giant white shark trapped in a SeaWorld amusement park. However, chaos ensues as the baby's mother comes to avenge her baby's death.
Following the death of her police chief husband and her son, Ellen Brody becomes convinced that a great white shark is out for revenge as it follows her to the Bahamas. Ellen sets out with the local authorities to catch the deadly shark.