Shin Aimee and Han Wooju, bestfriends, took part in the musical directed by Kim Jaejoong and produced by Junsu,

Wooju being the leading lady of Yoochun, while Aimee helps as a script writer and as a request from her bestfriend she promised to be her understudy

But just a week before the musical an accident occured

will Aimee cover up for the role? WHo will be her leading man? Or will their hardwork be put to waste??