After another deadly shark attack, Ellen Brody (Lorraine Gary) decides she has had enough of New England's Amity Island and moves to the Caribbean to join her son, Michael (Lance Guest), and his family. But a great white shark has followed her there, hungry for more lives. Michael Caine, Karen Young and Mario Van Peebles co-star; Joseph Sargent directs this third sequel to Steven Spielberg's original Jaws.