The dispute over the throne finally comes to an end. Aware of his current weakness, the King admits that his current status is no longer fit to rule a country. With the help of Duk Im, the King remembers the promise he has with his late son. A promise that he will make San the next king of Joseon. Now, a new sky has risen, and San prepares to become what he has been trained for his whole life. (thetvdb.com)