Through the trials of the deep palace and the temptations of power, will love never change and friendships stay true? Zhan Xinghan (Zhang Han), Mu Feiyan (Bai Bing), and Xing Yingdie (Zheng Shuang) are three childhood friends whose lives change when the lovers Zhang Xinghan and Mu Feiyan are split up. Mu Feiyan is sent to the palace to become an imperial concubine. Only Xing Yingdie maintains her innocence outside the palace wall, while betrayal and intrigue changes Mu Feiyan as she schemes for power.