Bad Woman, Good Woman (Korean: 나쁜 여자 착한 여자; RR: Nappeun Yeoja Chakhan Yeoja) is a 2007 South Korean television series starring Choi Jin-sil, Lee Jae-ryong, Sung Hyun-ah, and Jeon No-min.

[1][2] The daily drama explores the true meaning of family and love, as a wife who considers herself a "good woman" agonizingly finds out about her husband's 6-year-long affair.

She loves her doctor husband Geon-woo (Lee Jae-ryong) very deeply, and affectionately takes care of her old mother-in-law who is afflicted with dementia, as well as her daughter whom she did not give birth to.

But unbeknownst to her, for the past six years Geon-woo has been having an affair with his first love, Seo-kyung (Sung Hyun-ah), who herself is married to Tae-hyun (Jeon No-min).

Se-young and Tae-hyun are looking forward to a second honeymoon with their respective spouses, not knowing that Geon-woo and Seo-kyung are secretly meeting for trysts.