Ling Cangcang won't marry her enemy, Xiao Huan. On their wedding night, she recalls how he used a fake identity to get close to her.

Ling Cangcang is poisoned and Xiao Huan rushes to her rescue, which leads both of them to be thrown into prison.

Xiao Huan is badly injured while protecting Ling Cangcang. Posing as a married couple during the investigation of a case stirs hidden feelings.

After proposing, Xiao Huan reveals he is the Emperor and kills Li Lu. Heartbroken, Ling Cangcang turns against him but acts affectionate at a banquet.

A humiliated Ling Cangcang poisons Xiao Huan to test him. He hides his feelings because of his power, yet subtly displays his affection.

Xiao Huan triggers a latent poison to pressure Ling Xuefeng and feels guilty as reform stalls. Ling Cangcang discovers a mysterious mark.

Ling Cangcang would rather die than kill Xiao Huan. Xiao Huan questions the cause of his master's death, leaving her disheartened.

Ling Cangcang investigates her master's death. Xiao Huan asks Li Chengtian to come out of seclusion, and Ling Cangcang demands the truth.