A broker with a hidden agenda plots to steal a scientist's research, yet a mutual attraction develops between them. Qiu Jianing is a core member of a research lab spearheaded by the leading pharmaceutical company in the nation. She has devoted her heart and soul to finding answers to scientific problems not only to prove herself but also to secure her country's position in the biological field. As their experiment enters the clinical phase, a new researcher by the name of Zhou Xiaoshan joins the team. His sharp acumen and quiet nature attracts Jianing's attention. Similarly, her beauty and strength disrupt the calm in Zhou Xiaoshan's single-minded pursuits. In reality, he is a broker who has walked into their lives for the purposes of stealing Janing's research. Will she be the one to change him? Adapted from the novel Fallen Angel, written by Claire Miao Juan.