Kirstein has a mysterious and handsome Korean boyfriend named Gyungsuk. They met in Minsyu Park in Seoul Korea.The place where they always meet. But one day, Gyungsuk never came back. Its been a puzzled for Kirstein for his lost. Since then Gyung-suk has been on Kirstein mind. One day, she and her two friends had discovered a mysterious International club known as Octagon Kizoku club. They been so curious and eager to be a member there, but they found out that they need someone to recruit them first. Until she met her Korean friend named Gong-li who turns out an Octagon member. He recruited them and did some difficult tasked, and began to be a member there. And there, Kirstein suddenly saw Gyung-suk, she tried to reach him, but she found out that he was belonged to a group called the Geonjuk, the highest rank in the club, they are untouchables and dangerous. She dreamt to reach out to him, but there is only one way for this to happen. Is to be part of the group itself. But there are certain deadly challenges and danger to be faced.