故事发生在上世纪三十年代的上海，周瑾（韩雪 饰）的父亲死于非命，意外得知自己神秘身世的周瑾发誓要查清父亲死亡的真相。周瑾同好友苏志文（马天宇 饰）一起，隐瞒了真实的身份，潜入了上海最声名显赫的沈家。 沈家有四朵金花：外表优雅内心狠毒的大小姐方柔枝（王琳 饰）、热爱文艺有些神经质的二小姐方琪（徐百卉 饰）、出国留学命途多舛的三小姐曾凌戈（毛晓彤 饰）和相信金钱至上的四小姐曾雨衫（雷洋 饰）。随着时间的推移，周瑾渐渐发现，这个表面上光鲜亮丽的大家族，实际上早已经败絮其中，而众人极力想要隐藏的秘密，正是周瑾千方百计想要得到的真相。

In Shang Hai during 1930, Zhou Jin finds out about her family history and discovers that her father passed away 10 years ago mysteriously. Hidden from the truth, Zhou Jin tries to find the answer and enters the mighty Shen family with her childhood friend, Su Zhi Wen. Accidentally, they find out that the underneath all the glimmer of the "Lady's House", there lies many dangers and secrets that threaten Zhou Jin's purpose.