Introduction / Sypnosis:

Off the coast of Alaska, oceanographer Emma MacNeil (Deborah Gibson) is studying the migration patterns of whales aboard an experimental submarine she took without permission from her employer. Meanwhile, a military helicopter drops experimental sonar transmitters into the water, causing a pod of whales to grow out of control and start ramming a nearby glacier. In the chaos, the helicopter crashes into the glacier, and the combined damage breaks the glacier open, thawing two hibernating, prehistoric creatures. MacNeil narrowly avoids destruction as, unbeknownst to her, a giant shark and octopus are freed. Some time later, a drilling platform off the coast of Japan is attacked by the octopus, which has tentacles large enough to wrap around the entire structure. After returning to Point Dume, Calfornia, MacNeil investigates the corpse of a beached whale covered with bloody wounds; her employer (Mark Hengst) believe it to be from a tanker propeller, but MacNeil insists they appear to be from a creature: “There’s something big out there; something really big.” Later, she extracts what appears to be a shark’s tooth from one of the wounds. Elsewhere, the giant shark leaps thousands of feet from the ocean and attacks a commercial airplane, forcing it to crash into the water.