Manner of death, 1

After examining the body of an apparent suicide victim, the extraordinary forensic pathologist Bun determines it was a homicide. That same night, an unknown assailant attacks him and pressures him to confirm the suicide in his report. Furthermore, his friend, the prosecutor, to whom he had confided everything, disappears. Bun suspects Tan, the person who found the body, is the killer, but Tan convinces him to search for the murderer together…