Ahn So Eun transfers to SM Entertainment as a songwriter. She meets EXO's Kris who seems like a cocky and blunt guy full of secrets to her, but what if her impression of Kris changes? So Eun is a 21-year old girl and sees the good things in life, but not in Kris. Signed under YG Entertainment, she finds herself in SM Entertainment, bearing with Kris until her contract expires.