Eugene Choi, who was born into slavery in Joseon. After his father is beaten to death and his mother dies protecting him, young Eugene escapes to the United States at the time of the 1871 Shinmiyangyo incident with the help of a Christian missionary. He grows up in New York City and becomes a Marine Corps officer.

When he returns to Korea as a captain serving in the US legation in Hanseong, Eugene met his best friend again, you who also fights with him in battlefield.

You were in your office, treating your wounds since you got shot in a mission, you took off your shirt, your abs and hands were covered in blood, you took the bullet out.

Eugene:"PUT ON A DAMN SHIRT."