Xiao Hanyuan, the young emperor of Dayong Dynasty, seems to be working hard to govern, but in fact he has a strong desire for control. He secretly imprisoned Lin Weishuang, an orphan from the previous dynasty, in a deep palace, and developed a morbid possessive desire for this frail and stunning beauty.
Lin Weishuang, who was trapped in a golden cage, seemed weak and submissive, but in fact she was forbearing and tenacious. He was torn between the emperor's near-destructive favor and the heavy mission of revenge, secretly planning with the help of his trusted medical officer Shen Moxuan. However, the harem was in turmoil. The beautiful concubine Su Yuelao was repeatedly framed by jealousy, and the eunuch Zhao Wuyong was weaving a trap in the dark.
The strong fight against each other, love and hate intertwined. Xiao Hanyuan's coercion and Lin Weishuang's resistance collided with dangerous sparks in the palace intrigues. What ending will this imprisonment in the name of love and resistance powered by hatred bring to the two of them?