
Do-han has his suspension lifted and gets called to a murder crime scene by Jong-hun. As he arrives at the scene, he encounters the dead body of Song Young-jin, the accomplice to the biggest fraud case of the century, the No Sang-cheon Ponzi scheme case. He also finds traces of No Sang-cheon who had died eight years ago.
Do-han has his suspension lifted and gets called to a murder crime scene by Jong-hun. As he arrives at the scene, he encounters the dead body of Song Young-jin, the accomplice to the biggest fraud case of the century, the No Sang-cheon Ponzi scheme case. He also finds traces of No Sang-cheon who had died eight years ago.
As he keeps watch on the suspect Byeong-jun, Do-han suspects that the case is connected with No Sang-cheon's fraud victims' organization. Then comes the second murder, in which the victim reports to the police that No Sang-cheon is trying to kill him. At the scene of the second murder case, Do-han runs into Byeong-jun yet again and reinvestigates the case as a serial murder.