When two researchers discover a colossal shark's tooth off the Mexican coast their worst fears surface - the most menacing beast to ever rule the waters is still alive and mercilessly feeding on anything that crosses its path. Now they must hunt the fierce killer and destroy it... before there is no one left to stop it

An astronaut doctor Ivan Hood and his fellow astronaut Kelly return from their mission in space to find the world has been taken over by aliens. Now Dr. Ivan Hood and Kelly must lead a revolution to free the human slaves from their alien masters.