Oscar Bonsetter tells a dying prisoner that he will take revenge on the sadistic guard who killed him. In exchange, Oscar is told of a stash of money. Oscar is eventually released from prison but when he goes to get revenge, he gets sidetracked by the now-handicapped guard and his alluring wife, Rose. The tension builds as Oscar becomes more and more attracted to Rose.

体形硕大，但却动作敏捷的斯蒂芬·西格自从潜龙轰天赢得了千万观众的拥戴之后，很多他的作品都被译成某某潜龙。这次的深海潜龙是讲得什么故事呢？这次西格是个专门替美国政府干脏活的突击队长，因为执行任务时手段过于残忍被判重刑。正在服刑期间，美国政府发现在拉丁美洲一个小国的秘密基地内有人正在研制成功控制人类意识的催眠方法，而派去摧毁这一基地的特工大多有去无回。无奈之下政府启用西格以及他一同服刑的手下。任务很明确：摧毁基地，解救俘虏。西格和他的一班神勇将士，轻松地完成了任务。谁知，归途中噩梦开始了... ...