Eun-woo, a shy and reserved individual, struggles to trust others due to the emotional wounds inflicted by Seung-han, his unrequited love. Learning of Seunghan's graduation, Eun-woo decided to return to school, but the trauma still haunts him, causing him to constantly run about campus. Despite his apprehension towards Jae-ho, a popular and attractive freshman, who triggers memories of Seung-han, Jae-ho remains persistent in his friendly gestures towards Eun-woo. Meanwhile, Seunghan also finds himself unable to forget Eun-woo and upon learning of his whereabouts from a friend, sets out to find him...
