Nichkyun and Sa-eun are childhood friends who are separated because of a careless mistake.

Soon, Nichkyun becomes part of a famous kpop band, 2PM, while Sa-eun becomes a make-up and hairstylist.

One fateful day, twisted fate brings them together when Sa-eun gets hired to do an important job...

Will the two childhood sweethearts open their hearts to each other again? Or will they bury away their feelings?