John Wayne is veteran skipper "Capt. Ralls" who discovers that his employer has pinched his girlfriend - "Angelique" (Gail Russell) so with revenge in mind, he runs his ship - laden with $5m in gold bullion - aground at a secret location and is soon on the run from his erstwhile boss who knows the scuttling was deliberate and who wants his loot back! What ensues now are series of entertaining escapades as Duke wrestles all sorts of giant sea monsters; tries out pearl fishing; saves his best pal and tries to get his gal back - all as well as salvaging his plunder and staying one step ahead of th... read the rest.