A grieving father who lost his daughter in the Sewol ferry incident looks back on his long journey to piece together his lost memory and pick up the pieces of his life in this commemorative film marking the 10th anniversary of the tragedy.

在咖啡店打工的多恩和出道5年的爱豆金星，长相一模一样的两人在偶然的情况下遇见了。在仅有7天的时间里互相交换身份，两个女孩在这一周之间又会遇到甚么样的罗曼史呢？