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 when the atoll starts flooding.
A diplomatic official is captured and imprisoned while touring a war zone, so a team of elite female commandos is assembled to infiltrate a women's prison for a daring rescue.
A group of researchers in Antarctica are abducted by a platoon of masked soldiers and dragged into a hidden continent in the center of the Earth. There, they discover that surviving Nazi soldiers are plotting an invasion of Earth to revive the Third Reich.
