- HD 1080
- Runtime: 124m.
- Status: Released
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- Languages: ko
- Country: South Korea, United States of America
- Director: Kwak Kyung-taek
- Stars: Yu Oh-seong, Ju Jin-mo, Kim Woo-bin, Jang Young-nam, Jung Ho-bin
- keywords: gang war, east asian lead, busan, south korea
- Production_studio: Lotte Entertainment, Trinity Pictures, Michigan Venture Capital, JCONCOMPANY
- Slogan: The unfinished story of a fateful day.
- providers: Kocowa
- The Friend: The Great Legacy is featured in the top rankings of 2013
- #41 in Top Action Movies of 2013
- #41 in Top Crime Movies of 2013
Joon-seok is sent to prison for his involvement in Dong-soo's death. He meets Dong-soo's son in prison, keeps his identity a secret, and agrees to join forces when he is released. All of their plans fall apart when Sung-hoon finds out the truth.