There’s a food poisoning case in school. The fruit drinks stall is suspected to be the culprit. XiaoZhen and WenBin decide to investigate and they came up with a plan. Just as they are about to expose the culprit, they realize that there is more to it than meets the eyes. XiaoZhen makes WenBin the guinea pig to try the fruit juice. Will WenBin fall ill as well? Will XiaoZhen be able to find out who the culprit is? Or is there more than one culprit?
Dong’en and Huiniang visit the Western Medical Hall and see that Tianying is diligent in learning. He even attends night classes to pick up English for easy communication with Western clients. Huiniang’s admiration towards Tianying increases when he takes meticulous care of Chen Kuang who fell ill. Tianying gets disheartened when he knows that Huiniang is visiting her fiancé’s family. He tells himself to stop his wishful thinking about Huiniang. 东恩和蕙娘到西药房，见天鹰虚心学习，晚上还去上英文课，能够与洋人顾客沟通；陈匡病倒，天鹰也尽心服侍，蕙娘对他很赞赏。天鹰听说蕙娘是来找婆家的，心里很失落，但又提醒自己不该对蕙娘有幻想