On every night that the full moon rises, once his majesty king of Joseon sleeping schedule have been decided, then he'll appear ,the man who covets the kings women making sure there is pain ,when they die ,he drinks their blood,He's name is GWI a vampire.
Every king of Joseon serves and obeys him as he helped in the defeat of their enemy and stabilized their position hence,a promise to always serve him was made. This story has been passed down from generation to generation among the royal court ladies in the royal palace .
One night,on the day the full moon rises, GWI appeared in the royal palace as he often does, he entered the king royal concubine chamber, harrased and then killed her,during the whole process the king was outside the royal concubine chamber shivering while also helpless of the situation .After GWI killed the royal concubine,he drank her blood then left leaving the corpse of the royal concubine for the king to take care of.
Meanwhile,while all this was happening,the crown Prince Lee won was outside the royal palace in his alter ego which is a novel write names Lustful People.He was with his childhood friend Seo Yul at his library where he does his novel writing and also enjoys a free air away from the royal palace. The royal guard were deployed to look for Crown Prince Lee won to be notified of what just happened and of his presence which was needed in the royal palace.
Crown Prince Lee won went back to the royal palace as per the request of his royal majesty,he ordered the royal eunuchs to secretly move out the corpse of the royal concubine who was coldly killed by GWI. Unbeknownst to him his childhood friend seo yul was on his way to the royal palace to visit him.
In the process of moving out the corpse of the royal concubine,seo yul who has already entered the royal palace saw the royal eunuchs moving a dead body.he tailed them all the way to where they were going to burn the body and behold he met crown Prince Lee won there.He was stunned and dumbfounded for several minutes unable to utter a single word.
Crown Prince Lee won ordered the royal eunuchs to continue the order they were given to burn the royal concubine body and he took seo yul away from there to a nearby tree where they bought stood under it to discuss what he has just witnessed.