A woman is slowly stalked to the brink of madness by a man watching her from the opposite tower block. Her attempts to get the police to take her seriously leave her with no option but to track him down herself. B级片恐怖大师约翰·卡朋特导演作品。一名女子遭到对面高层建筑的一名男子的偷窥,精神已经接近崩溃边缘,她开始求助警察并决定自己追捕这名男子的行踪。