Xu Yiren loses both her relationship and career in one night. Her close friend, Xia Di recommends her to an architecture company as the assistant of the CEO. However during the interview, she finds out that the CEO is the person who exposed that her boyfriend is cheating on her in public, Fang Zhiyou. Though she doesn't know why, Xu Yiren eventually gets the job, but gets handled a weird task - to lie for her boss. But Fang Zhiyou's tendency to expose her lies in public always lands her in sticky situations.
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.