On military leave, Chang Hee drinks with his high school friend Dong Eun when he hears that Eun Ji, his first love, has returned to her hometown. The next day, Chang Hee coincidentally reunites with Eun Ji while riding his scooter, and afterward, he contacts her and approaches her. Although Eun Ji seems to be hiding something, she cannot refuse the persistent Chang Hee, and her heart is swayed by his proactive approach. Can the innocent first love of the two blossom like the blooming cherry blossoms?