Su Xu, who possesses a body with the properties of a celestial medicine, was once bestowed by the late emperor to marry Ling Liangzhou, the Assistant Minister of Rites. However, in order to curry favor with the current Prime Minister, Ling Liangzhou actually forced Su Xu to bleed to treat Ning Rou, the Prime Minister's daughter. He even decided to demote Su Xu to the position of a concubine and marry Ning Rou as his official wife.Trapped in a desperate situation, Su Xu had no choice but to turn to the all-powerful Master of the Tianji Pavilion, pleading to have her marriage contract with Ling Liangzhou dissolved. Little did she know that the Master of the Tianji Pavilion was none other than the current emperor. Moreover, he had been saved by Su Xu many years ago, and a secret affection had long since taken root in his heart.