High school student Shen Ke came to Miff Middle School in Yingcheng to look for a man named Gu Shenglin because of his father's request. Shen Ke's father was an upright policeman because he suspected that someone was involved in corruption secretly, but he could not reveal it without sufficient evidence. But just a few days ago, Shen Ke's father was suddenly transferred from the reconnaissance team to investigate a drug-related case, but he had no idea that he was being targeted...
After receiving the entrustment, Shen Ke came to this school. Unexpectedly, he encountered a jumping incident right after the school started. Later, he found out that it was not a suicide but a homicide...
Three months later, Shen Ke received a call from his father, telling him to go back immediately. He took the first person he knew, Tang Xiao, back to City Z. As soon as he returned to City Z, he learned that his father had died in the line of duty, but Shen Ke knew that his father had not died in the line of duty, but was killed by others... Through the investigation of the two, they discovered a shocking secret...