Three Brothers (Korean: 수상한 삼형제; RR: Sesanghan Samhyeongje) is a 2009 South Korean television series starring Ahn Nae-sang, Oh Dae-gyu, Lee Joon-hyuk, Park In-hwan, Do Ji-won, Kim Hee-jung and Oh Ji-eun.

[1][2] One of the highest-rated Korean dramas in the year it aired, it topped the TV viewership ratings chart throughout its run, reaching 40%.

Kim Soon-kyung is a retired police officer and father of three sons, Geon-kang, Hyun-chal and Yi-sang.

Eldest son Geon-kang has experienced many trials and failures in life, including bankruptcy and divorce.

Eo-young is the daughter of his father's deadly foe, an ex-convict Soon-kyung investigated and eventually arrested a long time ago.