Manager, do you know about my husband's promotion? Director Han told the head of the planning department, Ji Xianyu and Zhang Mingzhu, that if one of them cannot be promoted, they must leave the planning room. There are rumors that Zhang will use his weakness towards women to lobby Han for promotion. Xuanyu is very anxious. He tried to attract Han, but it didn't really have a significant impact, so he called his ex girlfriend Ji Hui. He called Han home and introduced him to her. Han was completely captivated by the seductive Ji Hui. Meanwhile, Xianyu's wife was very unhappy because he blamed her for not getting his promotion, so she went to talk about Han herself...
33岁的游佐弘子（友阪理惠 饰）是一名终日奔波忙碌的职场女性，因为向往工作，两年前她和丈夫离婚，独自拉扯着6岁的儿子友也，日夜不得闲暇。某天，母子二人遭遇了一名武士打扮的奇怪男子，他自称中岛安兵卫（錦戸亮 饰），是效力于德川家族的幕臣，不知因何种原因穿越到了现代社会。因无可依靠，安兵卫借住在游佐母子家中。古现代的价值观由此发生激烈碰撞，也闹出不少的笑话。大男子主义的安兵卫渐渐放下武士的高贵身段，担当起家庭妇男的角色，并且和母子的关系日渐融洽，也最终在这个陌生的社会取得了可喜的成就…… 本片根据荒木源的同名原作改编。
