Searching for the lost world of Atlantis, Prof. Aitken, his son Charles and Greg Collinson are betrayed by the crew of their expedition's ship, attracted by the fabulous treasures of Atlantis. The diving bell disabled, a deep sea monster attacks the boat. They are all dragged to the bottom of the sea where they meet the inhabitants of the lost continent, an advanced alien race that makes sailors their slaves.

This nightmare has already killed five people - now it's yours to live!

以阿拉伯为背景的中古童话故事《天方夜谭》数次被搬上银幕，英国出品的本片是规模较大的老片新拍。故事并没有多少改变，主要还是描写恶宰相依权无恶不作，人民意图反抗却力不从心。另一个国家的王子为了娶该国公主，前往荒岛取回法力无边的黄玫瑰，后来凭黄玫瑰的法力相助，率民众打败了恶宰相，成为巴格达城的新国王。不过在小枝节上，本片还是力求创新的，如把魔瓶中走出来的巨人塑造成在空中摇来摇去的“气体人"，映像效果相当特别。导演利用新的科幻片技法，在不少场面制造了不同往片的新鲜热闹娱乐效果，观来并不使人有老套之感。