Susy Hendrix, a blind housewife who becomes the target of three thugs searching for the heroin hidden in a doll. Her husband transported the doll from Canada as a favor to a woman who since has been murdered. The trio tries to convince Susy her spouse has been implicated in the crime and to protect him she must surrender the doll. More murder and mayhem ensue when she refuses and levels the playing field by plunging her apartment into total darkness.