Screenwriter: Hong Jung Eun, Hong Mi Ran (le sorelle Hong)
Cast:
Gong Yoo as Seo Yoon Jae
Lee Min Jung as Kil Da Ran
Shin Won Ho as Kang Kyung Joon
Suzy as Jang Ma Ri
Jang Hee Jin as Lee Se Young
Jang Hyun Sung as Kang Hyuk Soo
Go Soo Hee as Lee Kyung Mi
Ahn Suk Hwan as Kil Min Kyu
Yoon Hae Young as Lee Jung Hye
Baek Sung Hyun as Kil Choong Shik
Kim Seo Ra as Ahn Hye Jung
Moon Ji Yoon as Na Hyo Sang
Choi Ran as Kim Young Ok
Shin Ji Soo as Lee Ae Kyung
Im Ji Eun as Kang Hee Soo
TRAMA:
La mente del diciottenne Kang Kyung Joon viene in qualche modo spostata nel corpo del trentenne Seo Yoon Jae, un dottore che sarebbe il suo futuro cognato.