Zhen Huan, a 17-year-old innocent introduced into the imperial court as the latest concubine of Emperor Yong Zheng. Her dreams of a new life of love and prosperity are swiftly dashed as she enters a dog-eat-dog world of treachery and corruption.

弘治七年，皇上在全国范围内大选妃子。来在同村的两位少女鸳鸯（黄婉君 饰）和朱朱（黄婉伶 饰）相助于危险的夜路，遂互称姐妹，共赴皇宫。 对于少女们来说，如果成功当选皇妃，无论富贵贫贱都可飞上枝头当凤凰，自然竞争激烈，条件也很苛刻。不光自身条件要好，还要经过严格的培训与层层考试。但更加残酷其实是她们各自之间的勾心斗角、尔虞我诈。 面对种种的困难与危险，鸳鸯与珠珠能否闯过难关？而面对这残酷的竞争，她们的友情是否会改变呢？