Qu Xiaofeng (Peng Xiaoran), the innocent beloved princess of Western Liang, is promised to the Crown Prince of the Li dynasty in a political marriage between the two countries.

They fall in love with each other as Li Chengyin tries to gain her trust to infiltrate Danchi, the tribe ruled by Xiaofeng's maternal grandfather.

After discovering the truth behind Li Chengyin's actions, she jumps down the River of Forgetfulness to lose the painful memories.

Due to all the schemes and betrayals in the Eastern Palace, Xiaofeng and Chengyin's lives begin to intersect and somewhere buried within are hidden memories yet to resurface.

[1] The series has earned positive reviews since its premiere, due to the outstanding performance of the cast, beautiful costumes and fitting props, as well as high-quality cinematography.