Originally conceived as a pilot for a TV series, this thrilling sci-fi suspenser stars Richard Carlson as a special agent assigned to investigate dangerously high levels of radioactivity in Los Angeles. Tracing the phenomenon to an unscrupulous scientist who's developed a new element that can absorb energy and expand itself, Carlson must race against time to stop the substance from creating a magnetic field that could interfere with the rotation of the Earth. King Donovan, Jean Byron, Harry Ellerbe also star. 80 min. Standard; Soundtrack: English.