Relatives gather from afar in wintery Ashibetsu upon the death of patriarch Mitsuo. A mysterious woman named Nobuko suddenly shows up. Her appearance gradually exposes wartime secrets and Mitsuo's unknown past.

Hoping to find a sense of connection to her late mother, Gorgeous takes a trip to the countryside to visit her aunt at their ancestral house. She invites her six friends, Prof, Melody, Mac, Fantasy, Kung Fu, and Sweet, to join her. The girls soon discover that there is more to the old house than meets the eye.

After his parent's divorce, Kazuo Saito moves with his mother from Onomichi and must leave his girlfriend behind. At his new school, Kazuo is surprised to reunite with his childhood friend Kazumi.

居住在京都的喜多泽家四姐妹美丽动人，除大姐彩（紺野美沙子 饰）外，其余三个妹妹茜（浅野温子 饰）、杏（沢口靖子 饰）、蓝（富田靖子 饰）都来自孤儿院。在父母过世后，彩断掉了和恋人岩城（竹脇無我 饰）结婚的念头，全力担负起照顾妹妹们的责任。
大学生杏青春逼人，她成为年轻小伙追求的对象。花剑部的柚木冬悟（宮川一朗太 饰）和樱庭谅（尾美としのり 饰）同时向杏展开爱情攻势，冬悟虽然得到美人的芳心，但他的母亲却因为杏的出身而横加干涉。杏和蓝从此得知自己的身世，她们为此苦恼不已。不久，杏的生身母亲绫小路良江（入江若葉 饰）来到京都，希望女儿能与她一同生活，喜多泽四姐妹面临分离的命运。另一方面，一向乐观的二姐茜被诊断患有绝症，她和对自己颇有好感的谅走到一起，携手度过生命中最后的时光……

Four people are discovered brutally murdered in an up-scale high-rise apartment. All the victims appear to be family, but as the investigation deepens it is discovered that one of the victims isn't related to the family.