A group of teenagers in the desert become the prey of cannibalistic inbreds who live in the nearby hillside.

A scientist from the failed Philadelphia Experiment leads a team of Navy SEALs back in time to the Cretaceous Period to rescue the first team he sent back during the 1940s. Things go wildly awry though, when on his return he accidentally brings a giant, man-eating dinosaur back through the portal and into modern-day, downtown Los Angeles.

On the 100th anniversary of the original voyage, a modern luxury liner christened "Titanic 2," follows the path of its namesake. But when a tsunami hurls an ice berg into the new ship's path, the passengers and crew must fight to avoid a similar fate.