Its appetite is ravenous. Its teeth scalpel-sharp. Its power unstoppable as it smashes the steel doors holding it in a Monterey, California aquarium. The captive twenty-ton Megalodon shark has tasted human blood, and it wants more.

On the other side of the world, in the silent depths of the ocean, lies the Mariana Trench, where the Megalodon has spawned since the dawn of time.... (more)