Li Yan once had a happy family. Her father was a well-respected high school Chinese teacher, and her mother was diligent and kind. However, when he was 14 years old, his father committed suicide due to depression after being wrongly accused of abusing power for personal gain and molesting students. Three years later, his mother also died of illness. When Li Yan was sorting out her father's belongings, she found an unfinished letter. The hidden clues in it convinced her that there was another hidden reason behind her father's death. At the age of 17, she began to plot secretly, determined to uncover the truth... At the age of 23, she worked in a private primary school. As a teacher, she tried to find out the truth from Deputy Director Zhang's second son and his biological mother, but was pressured by Deputy Director Zhang and the school. In the process, she met the suspense writer Zhou Yangyu. Zhou Yangyu initially approached her to get inspiration for his novels, but was later moved by his persistence and the two joined hands. During the investigation, they not only had to face competition and interference from their peers, but also uncovered the dark network of educational corruption and profit transfer. They even unexpectedly discovered the secrets related to their mother's lifetime and the death of their father. On the road of pursuing the truth, their feelings quietly grew, but they had no choice but to face separation due to reality.
Purpose: to show the choices of human nature between the temptation of interests and moral dilemmas, to praise the spirit of persistent pursuit of justice, to explore the complex relationship between love and reality, and to criticize corruption in the field of education.