Ming's president Ming Xi rescued the kidnapped boy Shang Ci ten years ago, and the two depended on each other for life. As an adult, Shang Ci fell in love with Ming Xi, breaking the relationship between brother and sister. However, Shang Ci's life experience was revealed, and he was actually the illegitimate son of the richest man in the imperial capital, with deadly toxins lurking in his body. In order to save Shang Ci, Ming Xi reluctantly planned to leave. Three years later, she returned with the antidote
