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. Choi Sung-hoon's mother there visits Lee Jeong-suk and begs him to take her son under his protection. Being Lee Han Dong's childhood friend he agrees, and Choi Sung-hoon who never had any sort of proper role model in his life, is quickly swayed by this senior. But what will happen when Choi Sung-hoon learns why is Lee Jeong-suk sentenced in the first place?—Woobluv

The sequel of the 2001 film Friend. The gang member Joon-seok is sentenced to 18 years in prison in connection to the death of Dong-soo, his childhood friend and a member of a different gang. Joon-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.—CJ Entertainment America