Running from Song Tak, Soon-shin and Chun-su end up in Hanyang. Soon-shin goes to Sung-kyun Academy to find his old friend Sung-ryong, but the sight of refined scholar keeps him from approaching him. Stranger in a new town with nowhere to go, Soon-shin and Chun-su find themselves in trouble surrounded by street thugs, but they are saved with help from Won Kyun. At last the three childhood friends unite. Won Kyun is bewildered by the changes in Soon-shin. Having heard about Soon-shin situation from Byong-tek, Sung-ryong coldly turns Soon-shin away with hopes that adversity will make him a stronger man.
—https://www.yidio.com/show/the-immortal-yi-soon-shin