A former aristocratic family faces financial hardship and their daughter is introduced to a nice man in the auto repair business, the hope being that a marriage might be of economic assistance to the family. The daughter's family finds it hard to accept this kind of idea and the young man is uncomfortable with the difference in their social standing. However, everything works out in the end and a happy marriage takes place.
战国时期，在琵琶湖附近的一个小山村里，住着源次郎（森屋饰演）和他的妻子宫城（田中清吉饰演），还有他的妹夫藤原（小泽荣饰演）和妹妹阿锦（水户光子饰演）。他们以开小瓷窑和烧瓷为生。战争期间，袁世朗想发大财，而滕炳威想成为一名战士并脱颖而出。
1年9班消失不见，朝比奈学姐视其形同路人，甚至早已死去的朝仓也代替凉宫春日坐在了阿虚的后面，而春日则如同人间蒸发一般无人知晓。当他冲向SOS团的教室时，只看到了孤零零坐在角落里看书的长门有希，一向淡定自若、冷如冰霜的长门大神也变成了怯懦害羞的乖乖女。从前一日长门留下的蛛丝马迹中，阿虚判断出这个世界似乎被某人重组了一番。 此时的阿虚，握有连接两个绝然不同世界的钥匙，他面临着重大的选择……
