An environmental activist who confesses to the murder of Oh Eun-ah to protest river construction. He kidnaps Kang's daughter to manipulate the autopsy results and expose Kang's past corruption regarding a rape case that involved his sister. Ultimately, he is killed by Kang after his own daughter is found dead.
Lee uses Min as his initial audience for his fabricated confession to mislead the investigation.
Vigilante and corrupt forensic pathologist locked in a cycle of revenge and moral compromise.
Explore the full interactive character relationship map of No Mercy