Professor Ren Xinzheng resigns to start a mentoring class for traditional Chinese medicine, hoping to train true successors. His students—Sun Toutou, his son Ren Tianzhen, lawyer-turned-student Yang Xiaohong, pediatrician Peng Shiyan, and aspiring doctor Zhao Liquan—struggle to get along, but must work through their differences to preserve the legacy of Chinese medicine.
Ph.D. candidate in Physics Mu Cheng He catches a third-year student in English Xue Tong cheating on an exam. When he even becomes the substitute teacher in her elective course Russian and makes her study with him after classes, her hatred for him only grows. Over time, however, Xue Tong discovers Teacher Mu’s true character and comes to secretly love him.
Set in the Japanese occupation era, the rich yet naive young master Ming Tai is trained to become an agent, and is later sent to become an underground spy for the Communists. Together with his brother and double agent Ming Lou, they try and bring down Wang Wei's Kuomintang Secret Service Headquarters.