Choi Siwon doesn't believe in love (occasional flings are another story altogether). No, he wasn't an emotionless man; rather charming, girls throw themselves at him at the first sight of his Armani suit jacket. He simply doesn't believe that he was capable of loving someone so much he could lose everything for them: his career, his time, his life.

The only one that possibly came close to it was Lee Jieun. They were childhood... acquaintances. Their relationship have always been regarded as complicated by families and friends. They knew each other the most despite the lack of socializing/communicating, yet they keep their distances. They meet up in their free time (which is always rare) and occasionally show up at galas and charity balls together.

Some reasoned that it was because of their outlooks on romance that the relationship has never advanced much further, even with its potential. Others knew that they only needed a little push to change their mind.

And so the story begins.