Master of suspense and horror Vincent Price takes on square-jawed Tab Hunter in this fantastic underwater tale teeming with adventure! Based on an Edgar Allan Poe story and co-starring David Tomlinson (Dominique) and Susan Hart ("Pajama Party"), this turbulent thriller pits gill-men against he-men with a sexy woman caught between, and surges with "excitement from initial fade-in to climactic fade-out" (Boxoffice)! When a slimy, gilled monster from the deep kidnaps the beautiful Jill (Hart) it'll take her boyfriend (Hunter), his sidekick (Tomlinson) and his sidekick's sidekick - a rooster - to get her back! Following her trail into the deep, they are shocked to discover a lost underwater city, ruled by a ruthless captain (Price) and an army of mutated sea creatures, who imprison the hapless landlubbers... While a restless volcano threatens to bury them all!. Original Theatrical Trailer, NTSC.