Han Seo Jin, Noh Seung Hye, Jin Jin Hee, Lee Myung Joo all live with their families in SKY Castle, a luxury private town where wealthy doctors and professors live. All of the women wish for their children to enter prestigious universities and are actively supporting their education.
One day, Myung Joo suddenly commits suicide following her son's acceptance into Seoul National Unversity as a medical student. The community is shocked by that and her remaining family quickly moves out from SKY Castle. However, the community is even more shocked, when Lee Soo Im and her inferior-birth family move in. Soo Im takes it upon herself to help the stressed-out children and challenging the other women of SKY Castle, whiles questioning her own ways of supporting her step-son, and uncovering the truth of what happened to Myung Joo's family and their relation to the grade coordinator, Kim Joo Young.
This drama is inspired by the life of South Korean Olympic weightlifter gold-medalist Jang Mi Ran and it’s about college athletes who fighting for their dreams and finding love.
Kim Bok Joo (Lee Sung Kyung) is a student in Hanwool College of Physical Education. She has shown strength like no other since she was a child as influenced by her former weight lifter father. She looks thoughtless at a first glance, but inside she’s as fragile as glass and has deep recognition.
Jung Joon Hyung (Nam Joo Hyuk) is Kim Bok Joo’s best friend. He is a born swimmer but ever since he was disqualified from his first international event, he suffers from ‘start trauma’. Along with Kim Bok Joo, he overcomes his troubles and finds his dream and love.
Song Shi Ho (Kyung Soo Jin) is a rhythm gymnast who also attends Hanwool College of Physical Education. She started gymnastics since she was 5 and won the Asian Games at the age of 18. She’s always been the best since then but mental pressure caused her to break up with Jung Joon Hyung and regret it.
This drama is inspired by the life of South Korean Olympic weightlifter gold-medalist Jang Mi Ran.
