Detailed InformationBroadcasting company: SBS
Official Website : http://tv.sbs.co.kr/yousmile/
Also known as: Smile, You
Genre : Romance
TV Premiere: 2009-Sep-26 to 2010-March-14
Production : Screenwriter: Moon Hee Jung
Director: Lee Tae Gon
Main Casts :
Lee Min Jung as Seo Jung In
Lee Chun Hee as Sung Joon
Choi Jung Yoon as Seo Jung Kyung
Kang Suk Woo as Seo Jung Kil
Heo Yoon Jung as Gong Joo Hee
Jung Kyung Ho as Kang Hyun Soo
Choi Bool Am as Kang Man Bok
Chun Ho Jin as Kang Sang Hoon
Song Ok Sook as Baek Geum Ja
Lee Kyu Han as Lee Han Se
Jun Hye Jin as Jung Ji Soo
Choi Kwon as Park Kyung Soo
Yoon Joo Sang as Lee Joon Bae
Running Time per Episode : 40 mins
Total Episodes : 50 Eps
Seo Jung In is the third daughter of a rich family. She was dumped by her husbandafter his family knows that the Seo family is undergoing a financial crisis, Lee Han Se leaving her on the highway with nowhere to go. She rides on a passenger bus and seats with Kang Hyun Soo who just got back from Korea after he studied in the United States and who is inlove with Jung In's older sister, Jung KyungHyun Soo's colleague in the U.S. Jung In goes away from her family and lives with their family driver. Later she knows that Hyun Soo is the grandson of their family driver. The Seo family is about to leave the country and to run from their eldest son, Sung Joonwho is a professional golf player. But when they are about to leave the country, the policemen arrests their father and he was put to jail. The Seo family later then knows that their house was already bought. The Seo family was forced to live with the Kang familytheir driver's family. As the story revolves on, Jung In's feeling are put to test when she falls in love with Hyun Soo although she knows that Hyun Soo still likes her older sister.
Both families are getting closer with each other. Jung In has now her job in Lee Han Se's automobile company where Hyun Soo works. As the story progress, Hyun Soo realizes that his feelings for Jung Kyung fades and he becomes more comfortable with Jung In. Hyun Soo dates Jung In but they keep it as a secret because Hyun Soo's mother don't like Jung In.
Meanwhile, Lee Han Se still won't give up for his feelings for Jung In. Because of his love for her, he sacrificed Global Motors just to prove that Jung In is important to him than any other else. Hyun Soo and Jung In's relationship are put to test when Jung Kyung suddenly realizes that she likes Hyun Soo. This feeling gives Hyun Soo confusion.
Although the two of them underwent several problems,like their parents disagreeing with their relationship, Hyun Soo's grandfather, Man Bok had liver cancer, they still gain love and peace within each other. Hyun Soo and Jung In are married and they now have twins. Also,Sung Joon and Ji Soo are married.