Junghwa and Sehun were a good friends when they were little. Sehun has to move to Seoul because of his father were broke and has to build another company. Junghwa was shocked after Sehun told her that he has to move to Seoul because of his father were broke. Sehun can't forget about Junghwa. One day, Junghwa had a car accident and has an amnesia. Will Junghwa remember her memories with Sehun again?