Seven years ago, his brother Suhang fell into a river and died mysteriously. The police determined it to be an accident. Su Qing had always been suspicious, but she was young and there was insufficient evidence. Now a persistent and tenacious reporter, he recently took over the investigation of a new financial fraud case and accidentally discovered a secret connection with the internal corruption case of a charity fund investigated by his brother seven years ago. During the investigation, it was discovered that his brother's former friend Lu Yike disappeared after a fierce argument with his brother on the eve of his accident. What was the real cause of Su Hang's death? Is it an accident, suicide, homicide? Who is the real murderer? What role did Lu Yike play in it? How are old cases related to new cases? What is the larger conspiracy hidden behind financial fraud?
