Prehistoric sand-dwelling sharks are unleashed on the island of White Sands when an underwater earthquake cracks open a crater deep beneath the ocean surface. The most menacing beats to ever rule the waters now rule the sand with their monster appetities they mercillessly feast on anything that crosses their path Mark Atkins directs this sci-fi 'creature feature' horror. When an underwater earthquake opens up a deep crater on the ocean floor, a prehistoric breed of lethal sand-dwelling sharks is unleashed upon the unsuspecting residents of White Sands Island.