Sang decides after being away for two years that it's finally time to come home, what she doesn't realise is that the guys have moved on and maybe it's time for her to as well.
Four years ago he left for tour and she left for college, both promised to call and visit each other, but neither did so, both blamed the other, but only she was able to blame herself as well, he was too stubborn to believe it was his fault, when they bump into each other, who knows what will happen.