After being blinded in a coup against the king, Joseon's greatest swordsman goes into hiding, far removed from his city's anguish. But when traffickers kidnap his daughter, he has no choice but to unsheathe his sword once more.
Born bully, Kim Chang-sik, while cleaning everything up to live a normal life again, he meets a sad girl, Kim So-hee. A story where Kim Chang-sik had no choice but to participate in So-hee's situation, more than his own.