Framed for a crime he did not commit, Soon-shin is on the run. He goes to Ahsan to see his mother but finds his poster posted everywhere. He turns around vowing never to be defeated by the world again and heads for Gon-yang to find Namgoong Du. Sung-ryong is caught at the crossroads between the road of a government servant and the road of a scholar after having witnessed first hand corruption of government. He leaves the academy and the city and goes to Andong where he finds the great Confucius scholar Twe-gae Yi Hwang. "Corruption in the court is old news." Won Kyun is perplexed and frustrated by Sung-ryong's dilemma and Soon-shin's reckless actions. He enters and passes the military service exam and goes to Bang Jin to seek his daughter's hand in marriage.
—https://www.yidio.com/show/the-immortal-yi-soon-shin