Police detective Kang has resorted to illegal activities to pay for the medical bills of his wife, who is in a coma. One day he is approached by a man named Min-woo, who confessess to killing his own wife. Kang realises that the murder and his wife's accident are in fact connected.Soon,at the climax it is shown that Min-woo is not a person but rather his different personality.

Beautiful Sunday (Hangul: 뷰티풀 선데이; RR: Butipeul Seondei) is a 2007 South Korean crime drama film.