About the title
A spacecraft is discovered on the ocean floor. An underwater station is built near the site, and a team of scientists arrives there: Dr. Norman Goodman, Dr. Elizabeth Halperin, Dr. Harry Adams, Dr. Ted Fielding, and other colleagues. The team is led by Captain Harold Barnes. The scientists soon discover a giant shining sphere inside the ship. They manage to get inside the sphere, even though no doors or other openings were visible. After that, the nightmares began...