Summer’s first love began on a midsummer crosswalk when Kim Geun, a kind stranger, saved a child and praised her songwriting talent. Years later, Summer is now a famous singer-songwriter, but a creative slump brings her back to Geun’s university. When she impulsively asks him to film her music video, their connection reignites. As they navigate the delicate line between friendship and love, will Summer finally confess the feelings she’s held onto for years? A sweet and nostalgic tale of first love, music, and second chances.