Lu Xuan was reborn and returned to the classroom at Yenching University. After being bound to the black material system, his body was optimized and he became handsome. He first exposed the black material that his ex-girlfriend Zhang Yining forged college entrance examination information and paralyzed Zhang Yan's mother. He also successively discovered the crimes of Chen Xue, Zhao Wuji and others. He used the system to collect evidence to punish the evildoers, and won awards such as Ferraris and investigative skills. When dealing with the incident of his cousin's college entrance examination results being replaced, Lu Xuan learned that he was an illegitimate son of the Chu family. Faced with Chu Nan's actions of tampering with the will and seizing the family property, he teamed up with Bai Yanxi and others to expose Chu Nan's crimes of killing his father and colluding with foreign countries. In the end, Lu Xuan got the chance to inherit the Chu family and continued to use the system to protect justice and his family.
