In the 1980s, oil billionaire Jack Grimm provides funds to support the latest sonar and camera technology to find the Titanic. Grimm thinks he has found part of the propeller, but has he?

Following the failed missions of billionaire oil man Jack Grimm, the scientist and explorer Robert Ballard comes forward as the next lead searcher. Ballard uses the cover of US Navy missions looking for lost nuclear submarines to find the wreck.