|Also known as||18, 29
18 vs. 29
|Written by||Go Bong-hwang
|Directed by||Kim Won-yong
|Country of origin||South Korea|
|No. of episodes||16|
|Running time||Mondays and Tuesdays at 21:55 (KST)|
|Original network||Korean Broadcasting System|
|Original release||March 7, 2005– April 26, 2005|
|Preceded by||Delightful Girl Choon-Hyang|
|Revised Romanization||Yeolyeodeol, seumulahop|
Eighteen, Twenty-Nine (Hangul: 열여덟, 스물아홉; RR: Yeolyeodol Seumulmahop; also known as 18 vs. 29) is a 2005 South Korean television series starring Park Sun-young and Ryu Soo-young. Based on the Internet novel The 4321 Days We Shared, the romantic comedy series aired on KBS2 from March 7 to April 26, 2005 on Mondays and Tuesdays at 21:55 for 16 episodes.
Yoo Hye-chan (Park Sun-young) is a 29-year-old housewife who's unhappily married to a top acting star, Kang Sang-young (Ryu Soo-young). While on her way to court to file for divorce, a car accident drastically changes her life. Though she physically recovers, retrograde amnesia causes Hye-chan to mentally revert to that of an 18-year-old teenage girl, and she finds everything around her unfamiliar.
In high school in the 1990s, Hye-chan considered Kang Bong-man, the most popular boy at school and nicknamed "Ice Prince," as her nemesis. Though seemingly shallow and callous, Bong-man hides his vulnerability due to his infamous family background. But little did Hye-chan know that her despised and hated classmate would become an actor one day, change his name to Kang Sang-young and become her future husband. For Sang-young, seeing his wife reliving their high school days rekindles their lost love, and he strives to mend their shattered marriage and help her recover her memory. Meanwhile, Hye-chan begins to fall for him all over again. The only obstacle is Shin Ji-young (Park Eun-hye), an actress who wants Sang-young for herself.
- Park Sun-young - Yoo Hye-chan
- Ryu Soo-young - Kang Sang-young (Kang Bong-man)
- Park Eun-hye - Shin Ji-young
- Lee Joong-moon - Kim Noon
- Shin Goo - Kang Chi-soo
- Jo Eun-ji - Yoo Hye-won
- Kim Ji-young - tteokbokki-selling grandma
- Lee Sang-woo - Kang Bong-kyu
- Ahn Nae-sang - Seo Yoon-oh
- Lee Dae-yeon - Choi Ki-ja
- Jung Da-hye - Lee Eun-ji
- Jo Yang-ja - Park Soon-nyeo
- Kim Da-rae - Lee Sun-mi
- Lee Han-wi - Director Bang
- Park Min-ji - young Yoo Hye-chan
- Choi Siwon - young Kang Bong-man
- Jung Ji-ahn - young Yoo Hye-won
- Love Song - Jo Won-seon
- 사랑은 유리같은 것 (Love Is Like Glass) - Park Sun-young
- 예감 (Presentiment)
- 나를 잊지 말아요 (Don't Forget Me) - Natural
- Flown Away
- 단 한번이라도 (Just Once)
- So Good Bye
- 오늘 하루 (Today Is the Day)
- 스물아홉 혜찬 (29-year-old Hye-chan)
- 열여덟 혜찬 (18-year-old Hye-chan)
- Sang-young Story (Guitar ver.)
- Hye-chan 2
- Hye-chan 3
- Love Song (Inst.)
- "Park Seon-young and Ryoo Su-young to Play Lead in Eighteen Vs. Twenty-Nine". KBS Global. 14 February 2005. Retrieved 2013-08-31.
- "KBS Drama Eighteen Vs. Twenty-Nine to Premiere March 7". KBS Global. 2 March 2005. Retrieved 2013-08-31.
- "Ryoo Su-young Captures Hearts of Female Viewers". KBS Global. 25 March 2005. Retrieved 2013-08-31.
- "Park Eun-hye Transforms into a Sexy Woman". KBS Global. 4 March 2005. Retrieved 2013-08-31.
- "Park Seon-young Sings Drama Soundtrack". KBS Global. 11 March 2005. Retrieved 2013-08-31.