Jiu Ling invites Jin Xiu to the capital to help manage her medicinal clinic’s accounts, so Cheng Qi decides to accompany her. As Jiu Ling’s reputation increases in the city she becomes both popular and targeted by the Imperial Physicians. She soon hears about her brother’s illness and asks Zhu Zan to help understand why the physician tending to him has not been able to cure him. (Source: frankly at MyDramaList)