The formerly wealthy and influential Mun family was reduced to an old but large mansion and a blood-curdling secret. The devoted elderly housekeeper fulfilled her promise to watch over the only remaining descendant of the Mun and the dark family secret.

A badly disfigured female corpse was found at the river bank.... This marked the third murder case for the month. The dismembered corpse led the Police and the Forensic experts into a frenzy and stranded situation...

The ace officer in the Criminal Investigation Department crossed path with a young houseman. The unlikely pair was embroiled in the serial murder cases... One vowed to apprehend the culprit and to uphold Justice, the other wanted to prove a friend's innocence! They have to face with a ruthless, blood-thirsty and high IQ murderer who had eccentric modus operandi...

The cases were bizarre, the corpses were eerie and the murderer's feat was simply flawless. When the pair stepped into the mansion, they realized that the murderer was not a human being!