It's 1939 and Europe teeters on the brink of war. Ten strangers are invited to Indian Island, an isolated rock near the Devon coast in southern England. Cut off from the mainland, with their generous hosts Mr and Mrs U.N. Owen mysteriously absent, they are each accused of a terrible crime. As each member of the party starts to die one by one, the survivors realize that one of them is a killer and start to turn on each other.

In the ocean surrounding Amity, a small tourist resort off the coast of New England, a 25-foot man-eating predator stalks any human foolish enough to get in the water. At first, the only believer in the shark's existence is the town's chief of police, Martin Brody. Brody enlists the help of scientist Matt Hooper and Quint, a crusty old seaman whose life is devoted to hunting sharks. The threesome sets off in Quint's boat to kill the leviathan. The...