A small group of scientists arrive on a small Pacific island in the hopes of determining what happened to the previous group of scientists who have disappeared as well as do research on the effects of radiation from recent A-bomb tests. Meanwhile, a series of earthquakes threaten the island as members of their group disappear. Roger Corman directs this sci-fi creature feature that's barely over an hour long. Its low budget is only too obvious and the film shoves logic down the tubes. Corman compensates by economizing the tension but it doesn't override the film's innate silliness. Still, it retains that nostalgic charm that those 1950s low budget sci-fi programmers have for so many baby boomers. The cast includes Richard Garland, Pamela Duncan, Russell Johnson (later to reach TV fame as the professor in GILLIGAN'S ISLAND) and Ed Nelson.