Jung Eun Ji who is a trainee on A Cube Entertainment happens to meet her co-trainee,Seo In Guk. They fell inlove but later on they decided to seperate their ways because of some .. Because of the break up,Eun Ji decided continue her studies on America while In Guk continue his training in Seoul.   After 5 years,Eun Ji decided to come back in Seoul after realizing her wrong dids and  to persue her singing career and be debuted..   There,she met In Guk agai