Mainstream success eluded Hyun in the next few years.His first film as a lead actor A Millionaire's First Love (written by internet novelist Guiyeoni) did not do well commercially, and neither did TV melodrama The Snow Queen.Se trasladaron desde su lugar de nacimiento en Daegu hasta el distrito de Gangnam en Seúl, donde se formó como patinadora en la escuela primaria, pero abandonó cuando estaba en el octavo grado.Hizo su debut como modelo, convirtiéndose en la ganadora de una competencia de modelo de uniforme escolar a la edad de 14 años.He is best known for his leading roles in the television dramas My Name Is Kim Sam-soon (2005), The World That They Live In (2008) and Secret Garden (2010-2011).for which Hyun won the Top Excellence Award at the MBC Drama Awards.
In 2011, Hyun starred in two films; Come Rain, Come Shine (directed by Lee Yoon-ki) and Late Autumn (directed by Kim Tae-yong).
She was also entitled as a cheerful character by her teacher during the time.
After making a wonderful participation within San Kyung Smart Model Contest, she established herself as a wonderful model.
Shot in Seattle, Late Autumn was an English-language remake of the 1966 Lee Man-hee classic, in which Hyun played a man on the run who falls in love with a woman who is on special leave from prison (Chinese actress Tang Wei).
Cuando nació estaba muy enferma y sus padres y el médico pensaban que no iba a sobrevivir.