Qin Hao, a talented young man who had helped the police solve numerous major cases, lost confidence in his friend Li Tianlei due to his error in judgment during one case and decided not to solve the case. One day three years later, his former good partner called him again and invited him to solve a "murder case of a female college student." However, a mysterious organization was involved behind the case. There seemed to be another hidden reason for the death of his friend. Qin Hao launched an investigation. Can he find out all the truth?