Desire makes human a different existence. What choice would you make if death of others can bring success in your life?
A psychology professor has been murdered by a killer with method of " Murder game " described in the novel named <Sigmound>.
As a result of this, the author of <Sigmound>, HanJoon, gains popularity and uses media other as well as other people to succeed in life.
He becomes successful using death of the professor. A month later, HanJoon receives a blackmail from a mysterious man that mentions about his secrets and promises to bring him down unless he tells who the real killer is...