"Hard-fated" noblewoman Ye Su is forced to enter the palace, vowing with deep sincerity and solitary courage to protect the sickly emperor Jiang Zhaoyi. In this deep palace quagmire, the two go from bickering enemies to breaking the deadlock side by side, using true feelings and responsibility to counter ruthless power scheming while steadfastly guarding their original patriotic aspiration. However, the undercurrents surging in the court and step-by-step pressing sworn enemies are pushing them to the forefront. Can the sickly emperor defy the heavens and change his fate? And how will Ye Su protect her only beloved in this imperial power storm?