Adviser Yuan is an advisor to County Magistrate Shen, working alongside the registrar and clerks in handling the locust plague crisis. He is concerned about the timing, noting that at this time last year the locust plague had already erupted. He is the first to question whether the documented methods are true after reading Cheng Zhao's notes. He also transcribes copies of the locust control method and sends them to nearby towns. He is knowledgeable and experienced in dealing with agricultural disasters.
