Underwater!

Along with his partner, Dominic (Gilbert Roland), and his lovely wife, Theresa (Jane Russell), intrepid treasure hunter Johnny Gray (Richard Egan) embarks on a quest for sunken treasure in the Caribbean. Outfitted with advanced scuba gear, the team struggles to pinpoint the location of the rumored shipwreck of a centuries-old galleon loaded down with priceless antiques. When a group of money-hungry pirates takes a sudden interest in their expedition, the Grays find themselves in deep trouble.