Based on the best-seller by author Clive Cussler, this ocean adventure starring Jason Robards follows a group of U.S. scientists on a historic mission to recover radioactive cargo from the sunken RMS Titanic. Meanwhile, as the scientists team with the U.S. Navy to raise the vessel in secret, a Russian salvage crew learns of their plan, and endeavors to reach the volatile cargo first. Richard Jordan, David Selby, Anne Archer, and Alec Guiness co-star.