Ghost Shark is a 2013 horror film with fantasy elements directed for the Syfy television network by Griff Furst. With Furst joined by Paul A. Birkett and Eric Forsberg for screenwriting, the film premiered on Syfy on August 22, 2013.
When a great white shark eats the potential catch of a sport fisherman, the man and his daughter violently retaliates by sadistically torturing and killing the shark, whose corpse then sinks to the bottom of an underwater cave and is subsequently resurrected as a ghost shark due to the caves mysterious paranormal properties. Now hungry for revenge, the ghost shark eats his redneck killers along with the captain of their boat, eventually setting its sights on the rest of the local community in the seaside town of Harmony. Due to the great whites new spectral form, it can attack and kill anyone as long as there is even the smallest amount of water nearby, including coming out of a swimming pool, a bathtub, a bucket, a metal pipe, and even a drinking cup, killing many people in several locations.Though the terror is seemingly out of control, a group of young people trying to find answers end up having their pleas ignored. With the local mayor in the midst of his reelection campaign and other authorities unwilling to believe in such a state of events, teenager Ava Conte Mackenzie Rosman, who vows to put an end to the specter after it devours her father and several friends, teams up with a local lighthouse keeper named Finch Richard Moll, a drunken figure who claims to know the secrets to the sharks newfound form. After having being arrested, harassed, threatened, and otherwise impeded in their struggles, the group then finally manages to lay the creature to rest once and for all. ........
Source: Wikipedia