哈维·史蒂芬斯

　　本片根据法国文豪莫泊桑的名著《奥尔拉》（法语：Le Horla）改编；主人公以第一人称的形式进行叙述。以日记形式描写了主人公的焦虑和恐慌：他感觉到有一个看不见的生物体存在于他的周围，并命名其为« 奥尔拉 »。 他开始还是清醒的，然后在试图摆脱奥尔拉无形的控制过程中，逐渐变得疯癫。

　　Evelyn Prentice is the respected wife of a high-profile New York attorney. Despite the prestige and status she enjoys, she feels neglected and out of boredom becomes involved with an unscrupulous womanizing poet, who gives her the attention she craves. She eventually finds herself a victim of blackmail and becomes involved in his murder. When another woman is accused of the crime, she begs her husband to defend her.