Beth Henley’s Crimes of The Heart is a story of women who parody and overthrow the environment of women in a clever way, externally acknowledging the traditional framework composed of the whole three acts play, not missing fun and dramatic tension. At the same time, it illuminates the life of women honestly through the stage. Female characters in this play are women who have been deprived of their freedom under the strict control of their grandfather, representing the patriarchy, and they are “crazy” who committed their own crimes in mind in the male-value system of society. Henley uses ambivalent tactics in Crimes of The Heart to convey a feminist message. She positively portrays women who acquire their own dignity and independence in the small, confined spaces. Therefore, the purpose of this paper is to show the unconventional life of the female characters shown in Henley’s Crimes of The Heart as a typical example of “crazy women” named by Gubar and Gilbert. In addition, by comparing their in-depth oppression structure with Foucaultian concept of “jail”, this study aims to find out that the madness of the three sisters was a true voice as a woman in the social order of the strict patriarchal system.