Gang Yong is a young martial artist sworn to avenge his master, a once mighty fighter who was betrayed by his own men. After honing his skills in seclusion and inheriting his master's supreme techniques, he heads into the murim ready to make the traitors pay. There's just one problem: when he reaches town, he finds they are already dead. Now he has to work out what to do next. The show mixes action, adventure, comedy and supernatural elements.