Xue'e and Ruoying are good friends. Cao Cheng and Xue'e were engaged, but Xue'e suspected that Cao Cheng liked Ruoying more. This suspicion tortured Xue'e. During a war, while fleeing in a panic, Xue'e did something that she would regret deeply in the future: she abandoned the injured Ruoying. Although Xue'e immediately turned back to look for Ruoying, the mistake was irreversible. Ruoying disappeared with deep scars. Both her father and brother died in the battle. Xue'e ran out from the pile of bones and changed her name to Li Zhan, determined to avenge the "enemy of the country and the family". She came to Tokyo, the capital of the Northern Song Dynasty, and was accidentally involved in the vigorous "Qingli Party Meeting" and the party disputes between Fan Zhongyan, Ouyang Xiu, Han Qi, Lu Yijian, and Xia Yi. By chance, Xue'e and Ruoying reunited after the disaster, but Ruoying took over Xue'e's life and married Cao Cheng under the auspices of the queen. Xue'e suddenly discovered that there was no place for her under the clear sky. She doesn't know where she is going. She is caught in the cracks of the world. She wants to love, but cannot love; she wants to hate, but cannot hate...