Qingyuan Escort Agency's spirited eldest miss, Ling Shuang, meets the gentle and forbearing poor apothecary, Shen Yan. With a disparity in status and rumors flying everywhere, heavy shackles trap two loving hearts. She wields a sword to protect the family business, while he brews medicine to guard her peace. Worldly obstacles and intertwined grievances—clearly deep in love, yet they can only endure the pain and back down. A helpless historical angst romance, let's see if the two can break through the shackles and stay together for the rest of their lives.