A deep-sea submersible filled with an international research crew lies disabled at the bottom of the Pacific after having been attacked by something previously thought to be extinct. With time running out, expert deep sea rescue diver Jonas Taylor is recruited to save the crew—and the ocean itself—from this unstoppable threat: a pre-historic 75-foot-long shark known as the Megalodon. Now he must risk his own life to save everyone trapped below from the greatest and largest predator of all time!
