由Rosanna Schiaffino领衔主演的杀手预订九座上映于1974年，是一部恐怖片类型影视作品，对白语言是其它。讲述了　　Patrick Davenant invites a group of friends to visit a theater inside his villa, a place which later reveals itself as sinister. Within a short time, the guests realize that they are trapped in the villa. A merciless killer then begins to murder them one by one.