A series of stories triggered by the accidental murder of police duo Luo Song and Gao Chuan in pursuit of their mentor Cheng Fenghua. After Cheng Fenghua's death, Gao Chuan left the police force for some reason, but still persisted in investigating the truth about his mentor's death. The series of cases that occurred in succession also made Luo Song more suspicious of Cheng Fenghua's murder. The two giants once again teamed up, but none of them
A series of stories triggered by the accidental murder of police duo Luo Song and Gao Chuan in pursuit of their mentor Cheng Fenghua. After Cheng Fenghua's death, Gao Chuan left the police force for some reason, but still persisted in investigating the truth about his mentor's death. The series of cases that occurred in succession also made Luo Song more suspicious of Cheng Fenghua's murder. The two giants once again teamed up, but none of them