A high school girl wakes up each day with no memory of yesterday. When she agrees to date a shy classmate, can their love grow with every new beginning?

讲述高中时期曾是游泳运动员、因疾病失去一条腿的博士研究生朴民载（秋泳愚 饰）和失去职业道路方向、在彷徨中踏上新道路的硕士研究生林宥真（金所泫 饰）之间的爱情故事。