Lee Yun Hee is a girl who lost her beautiful smile and happiness during before her birthday. Her parents died in an unexpected accident. Until he met, Park Tae Hyun. Tae Hyun is a rich boy with good looks and nice personality. Despite of these, he dislikes girls. He met Lee Yun Hee in a rooftop. What will happen if the two of them falls in love>???

f(X) SULLI as Lee Yun Hee

Exo k's CHANYEOL as Park Tae Hyun

f(x) Krystal as Seo Eun AE ( Yun Hee's Best Friend)

Miss A Suzy as Kim Mi Young ( Tae Hyun's child hood friend)

Exo k's Baekhyun as Jang Hyun Jae ( Tae Hyun's Best friend)

SNSD Yoona (Yun Hee's Cousin)