We go back to the year of 1924. Before everyone even thought of the korean war, the Cho family of underground Seoul is already too involved with knowledge. This is a family of deep secrets and violence within their walls. Kyuhyun, Ara and Ji Sun are the only heirs to the vast amount of wealth. Because the whole clan is aware of their father's death being near, only one child will remain victorious as the Kingpin of the Chos. To this they are under cover as they try to claim ownership of all fortune in the seven cities of sin. The three children set aboard on different ships to take power on these areas in asia. With Cho Kyuhyun on the Arete, a new steamship housing many other mobsters, what will happen to the once motivated-by-power, thorny and young twenty four year old?