18-year-old Kang Gyung-Joon's spirit suddenly becomes transplanted in the body of 30-year-old Seo Yoon Jae. Seo-Yon-Jae is a successful doctor and engaged to high school teacher Gil Da-Ran. Gil Da-Ran just so happens to be the teacher of 18-year old Kang Gyung-Joon. More problems ensue when 30-year-old Seo Yoon Jae falls in love with another woman.
as Seo Yoon-jae / Kang Kyung-joon
as Gil Da-ran
as Jang Mari
as Lee Se-young
as Kang Kyung-joon
as Kang Hyuk-soo
as Lee Kyung-mi
as Kang Hee-soo
as Gil Min-kyu
as Gil Choong-shik
as Lee Ae-Kyung
as Lee Jung-Hye
as Na Hyo-Sang
as Kim Young-Ok
as Seo In-Wook
as Ahn Hye-Jung
