Part 2 of 2 of Chapter 10 of Dream of the Red Chamber (Hong lou meng 紅樓夢) takes us to the Ning Branch of the Jia clan, as Qin Keqing suffers from a mysterious and distressing illness. We learn all about the “niche ingredients” in the sundry medicines doctors have been prescribing Qin Keqing and ponder the wuxing 五行 correlative thinking underlying this thinking.