Helan Mingyu (Zhao Han Ying Zi), granddaughter of the Yonglin leader, captures the heart of Ninth Prince Xiao Cheng Xu (Cheng Yi) in the country of Sheng. When Cheng Xu leaves for war to support his brother's throne, Mingyu becomes entangled in palace politics. Faced with the fate of Cheng Xu's younger brother, Xiao Cheng Xuan (Zhao Wen Hao), she makes a life-altering sacrifice. Navigating the complex palace dynamics, Mingyu finds herself desired by multiple men while struggling between personal desires and her duty to her family and nation. Torn between love and responsibility, she must use her wisdom to bring peace and prosperity to the Great Sheng Nation. This is a 2020 historical romance drama directed by Yin Tao.