"The Legacy of Everlasting Regret" tells a story of "giving in" and "not giving in". Ning Wang Li Chengqi and Yang Yuhuan got married because of love, but were separated by the imperial power. Misunderstanding and separation caused the two to fall into the abyss. He set up a sophisticated chess game in the darkness of the palace and lurked like a "good king". During the Anshi Rebellion, Mawei Yibing became an opportunity to "steal the sky and change the sun". After she faked her death and escaped, she traveled overseas, and he followed her after her revenge was accomplished. In the Japanese fishing village, the two people, who had lost their costumes and identities, remained anonymous. Between the simple food and the mountains and the sea, the turbulent waves in the first half of their lives settled into the tranquility of smiling at each other. The country can be given away, the reputation can be thrown away, but the one you love will never let go.