In truth, Jin Xiya had merely tipped off Xie Fu, suggesting he investigate whether Xie Chong had exhibited any unusual behavior or grown close to anyone suspicious following his sudden personality change.
What followed, however, was an astonishing revelation.
No one could have anticipated that the diligent, filial, and well-behaved Xie Chong had been adding *Aristolochia manshuriensis*—a Chinese medicinal herb known for causing kidney damage—to the tea cakes he gifted his father, Xie Heng, since he was twelve years old. Though the doses in each tea cake were small, the cumulative damage over the years had become deeply entrenched. It was fair to say that Xie Heng’s uremia was inextricably linked to his "good son."
Chapter 371