Don Cesar De Vega crosses swords with a vicious member of the Queen's Guard, and steals the affection of a young heiress. When the officer frames the young upstart for murder, Don Cesar fakes his own death and retreats to the crumbling ruins of the family castle he plots his vengeance.

丹尼尔·布恩·布朗是个纵情声色的花花公子，在纽约市过着无忧无虑的浪荡生活——直到他沦为一位施虐狂精神科医生的实验对象。这位疯狂科学家通过各种操控手段，让丹尼尔陷入自我怀疑的深渊，最终却将美丽的露赛特带到了他的面前。