Jaws 2

Jawsor Jaws II is a 1978 American thriller film and the first sequel to Steven Spielbergs Jaws 1975, and the second installment in the Jaws film franchise. Directed by Jeannot Szwarc, it stars Roy Scheider as Police Chief Martin Brody, who must deal with another great white shark terrorizing the waters of Amity Island, a fictional seaside resort, with Lorraine Gary and Murray Hamilton reprising their respective roles as Martins wife Ellen Brody and mayor Larry Vaughn.

Prior to a new hotel opening on Amity Island, an enormous great white shark ambushes two divers who are photographing the wreck of the Orca, the late Quints boat. A couple of days later, their camera is recovered, and the shark goes after a water skier and speedboat driver, devouring the former while the latter fends off the shark using a gas tank and flare gun, causing the boat to explode, which kills her and severely burns the sharks face.Along with these disappearances, a killer whale bearing large wounds is beached. Police Chief Martin Brody believes these events are the work of a shark. Brody explains his concerns to Mayor Larry Vaughn, who doubts the town has another shark problem. Later, Brody finds the destroyed speedboat in the surf just off the beach. When he retrieves it, he uncovers the boat drivers burnt remains. ........

Source: Wikipedia