At the grand wedding ceremony, Jiang Wei waited for a letter of annulment as her fiancé, Pei Jingwen, abandoned the imperial-bestowed marriage decree for his cousin. In her moment of crisis, Prince Regent Xiao Han publicly asked to marry her. After entering the Prince's residence, Jiang Wei used her medical skills to expose tricky adulterations in medicinal herbs, traced the cold case of the northern frontier along the clues, fought against the Marquis's estate and palace factions, recovered her father's lost medical records, uncovered the past miscarriage of justice, shook off the shackles of fate, and ran towards each other with Xiao Han.