韩恭珠（千禹熙 饰）是一位十七岁的平凡少女，她热爱音乐，希望有朝一日能够成为一名歌唱家。然而，本该处在一生中最快乐和无忧无虑的年华的她，却因为一场意外的发生而彻底失去了笑容，亦就此放弃了唱歌的梦想。 离开了生于斯长于斯的家乡，韩恭珠成为了新学校的转校生。在这里，韩恭珠结识了许多善良的朋友们，在朋友们的带领和帮助下，韩恭珠渐渐走出了过去的阴影，笑容再一次回到了她的脸上。然而，快乐的日子并没有持续多久，灰暗的过去并不愿意放过这位可怜的少女，当往事席卷而来，一个韩恭珠千方百计想要隐瞒的秘密最终浮出了水面。©豆瓣Han Gong-Ju is taken to a home in an unfamiliar area. The home belongs to her former high school teacher's mother. The mother wants to know why her son is leaving Han Gong-Ju there, even if he promises she will be there for only a week. An investigation is ongoing back in Han Gong-Ju's hometown. Can Han Gong-Ju escape from her past?