Set during the end of the Goryeo period to the early Joseon period. Two friends aim their swords against one another due to differences in opinion about “my country.”
Seo Hwi (Yang Se-Jong) is a warrior. His father Seo Geom is a famous commander. Seo Hwi does not compromise when it comes to injustice. His life devolves into a hellish existence, but he still holds a smile.
Nam Seon-Ho (Woo Do-Hwan) is smart and a talented figure. Because his mother was born into the lowest class, Nam Seon-Ho is looked down upon by other people. He wants to pass the military service examination. Due to a corruption scandal involving his father, Nam Seon-Ho loses his dream. Making things worse, he comes into conflict with Seo Hwi over a misunderstanding.