Friend The Great Legacy (2013)

17 years after the events of first movie, Choi Sung-hoon, Lee Han Dong';;s son, who grew up in abusive family, and has fallen to life of petty crime, ends up in jail, same one where Lee Jeong-suk is serving his sentence. Doon-seok meets Dong-soo';;s son Sung-hoon in prison, but keeps his relationship with Dong-soo a secret. Joon-seok proposes to Sung-hoon to join forces with him when he';;s out of prison in order to grow in power, but the table is turned suddenly when Sung-hoon finds out about the connection between Sung-hoon and his father.