Gu Ya's sudden shout.
Also brought Su Yunjin back to her senses. She had almost lost Little Tiangua earlier, causing her to forget to think. Now, calming down and thinking it over carefully, Su Yunjin also felt that there might be more to this incident than met the eye. Mrs. An indeed had no reason to poison Little Tiangua. Even though she and Mrs. An had not parted on good terms last time, after all, Little Tiangua was still Mrs. An's granddaughter. Mrs. An had no reason to poison Little Tiangua.
On the contrary, Mrs. An always wanted to use Little Tiangua to make the Gu Family prosperous and prominent; she should be the last person to want anything to happen to Little Tiangua. Now, after calming down, Su Yunjin recalled that one of the medicines Mrs. Chu gave to Little Tiangua was indeed a common herbal remedy for cough. The only one she couldn't identify by scent was probably the poison.
