The world’s greatest killing machine is three times as deadly when a mutated shark threatens a cruise ship. As the shark eats its way from one end of the ship…

A Semester at Sea ship is attacked and sunk by a mutated two-headed shark, and the survivors seek refuge on a deserted atoll. The coeds, however, are no longer safe…

Months after a zombie plague has wiped out 90 percent of the American population, a small group of survivors fight their way cross-country to a rumored refuge on the island…