A historical mystery-action drama set in the Joseon Dynasty following Kwon Soo-yeong who was thought to be dead. He is back but he seems to have lost his memory and is trying to find his identity

After the internal conflict in the Kanto Ichienkai that was once caused by the Takayama group, until the reconstruction of the Takayama group, the Shima of the Takayama group was kept by the sand group led by Hitoshi Yoshiro. There was a group that was aiming at the sima. The Wuryukai under the same Kanto Ichienkai. After the death of his predecessor, this group, who made a name for himself as a servant, began to repeat dirty business after the young head Tange took over his mark. The sand group and the Wuryukai are in conflict over the Shima of the Takayama group. At that time, Kihara, an old friend of the dragon society, comes from Jin.