在这部深海喋血动作/惊悚/剧情片中,以里克特为首的恐怖分子在大西洋中部海域阴谋劫持了装有核导弹的美国“尤利西斯”号潜艇，并宣称要美国政府在24小时之内以一万美圆的黄金赎回潜艇，否则将发射潜艇上的核导弹摧
毁华盛顿。为粉碎恐怖分子的阴谋，“尤利西斯”潜艇的设计师詹姆斯.卡特受命登上潜艇,与潜艇官兵一起同恐怖分子展开了惊心动魄的殊死搏斗……
The crew of the nuclear submarine USS Ulysses rescues supposed victims of a boat disaster, but the victims turn out to be terrorists intent on capturing nuclear weapons aboard the sub. Only a former SEAL, now a submarine consultant, can save the crew by sliding aboard while the sub is underwater. The term "crash dive" refers to the sudden dropping of a sub to escape detection, an act that a nuclear sub is never supposed to make. Of course, it comes into play in this film.
