Park Seonghwa, the Emperor's right hand man and elite assassin had been for years climbing to the top to serve the king in an attempt to earn enough money to help support his family who, through generations, had been terribly poor and barely managed to scrape by. He never questioned any of the missions given to him until one day, he was given the task to assassinate the head of the Donghak Peasant Movement, a rebel group that was a direct threat to the Joseon Dynasty, but murdering this individual is much harder than it seems.