An environmental report letter in Qingliang County opened up a corner of a shady transaction. During the investigation, there were forces trying to cover up the truth, which kept making the investigation difficult. As public opinion fermented, time was as urgent as overwhelming. Amid the trust crisis of public misunderstanding and the dilemma of ideals and beliefs, with the help of a persevering character, intelligence and forbearance, and with the help of a noble person met by chance, the evidence was gradually obtained, and the shady was finally brought to justice. Justice may be late, but it will never be absent.