City Beneath the Sea 1953 Divers Brad and Tony arrive in Jamaica to attempt salvage of the Lady Luck, sunk with all hands and a million in gold They charter a boat, American Beauty, skippered by attractive Terry McBride, but cannot find the ship But theres more to the Lady Luck than meets the eye, and undersea skullduggery forms a counterpoint to Brads romance with Terry, and Tonys with cabaret singer Venita