"Screen legends Roger Moore, Anthony Perkins, and James Mason star in this fast-paced, edge-of-your-seat espionage thriller. Madman Lou Kramber (Perkins) captures and threatens to destroy a vital North Sea oil rig in 24 hours unless the British government delivers a huge ransom. Only one man has the skills to defeat him- Rufus Excalibur Ffolkes (Moore), a reclusive underwater expert who leads an elite commando team in a race-against-the-clock high-seas...