我的学生妈妈3

　　Two friends work as cleaners whose jobs are to clean homes and places where people have died or dead bodies are found. One day, they are tasked with cleaning a house where there were three dead bodies inside. Their job is to clean the corpses that have rotted. When they arrived there, they found that there are strange things happening and then they discover a strange book.

　　死于东京皇家饭店电梯里的美国黑人青年被人发现后，警方展开调查，从死者遗物中，知晓其名叫焦尼，并推断其来日目的是为找寻生母。根据种种线索，警方来到某温泉，发现知情人已被杀害，但还是知晓了知名服装设计师八杉恭子（冈田茉莉子）当年曾与一美国黑人士兵在此同居之事，遂派警官栋居（松田优作）前去美国向纽约警察肖夫坦（乔治•肯尼迪）求证。　　求证过程中，栋居陷入历史记忆与民族情结中，几欲将眼前的美国人尤其肖夫坦与当年在日本犯下罪行的刽子手混为一谈，但终回复理智完成了任务，将八杉恭子圈定为凶手，而八杉恭子不过也是历史的受害者。

　　Driving home late at night during a heavy rainstorm, Glen experiences car trouble. Near where his car gets stuck, he spots a house, knocks on the door and is greeted by an oddly friendly middle-aged man, Arthur, and his younger wife, Cyndi. The strange couple pours him a drink, and then more drinks, followed by an unexpected offer that Glen can’t refuse. Elsewhere, a young woman, Katie, is feeling emotionally weighed down by a secret romantic arrangement that feels like a textbook case of gaslighting. And at the same time, in a nondescript research facility, medical professional Julie begins questioning her role in a bizarre experiment, fearing that she’s doing more harm than good.

　　托马斯的妹妹在一次事故中神秘死去，而妹妹的死亡很可能与他们过世父亲参加的一项秘密军事研究有关。托马斯随即展开了调查，不料却让自己和家人都陷入了极大的危险之中。一伙不明身份的人开始对他们展开了天罗地网式的监察。