When a prototype automated worker robot named Auto has proven successful on the night shift at Alert Insulation, plans are put in motion to replace almost all the human employees with the next generation of robots -- but to Auto's dismay, he is also to be replaced by the new and improved robots -- something he refuses to accept, and takes murderous action to prevent.。影片以主人公对敌方阵营进行秘密潜入、以进行暗中调查与搜集情报。。