在遥远的未来，一座巨型高科技成人乐园Delos建成，其中有西部世界，罗马世界，中世纪世界三大主题版块的机器人世界，它提供给游客杀戮与性欲的满足，而这座巨大机械乐园的后台监控渐渐失去了对机器人的控制，游客被机器人杀死，所有想逃离者都被锁定……An amusement park for rich vacationers. The park provides its customers a way to live out their fantasies through the use of robots that provide anything they want. Two of the vacationers choose a wild west adventure. However, after a computer breakdown, they find that they are now being stalked by a rogue robot gun-slinger.