Struggling musician Tae-il (Hong Isaac) returns to his hometown and reconnects with former bandmate, Ji-won (Jang Haeun) who now teaches at a music school. Tae-il lends an ear to help coach a rock band of her pupils competing in a local music contest. As he rediscovers his passion for music, an opportunity arises that may finally be his big break - but that may mean saying goodbye to the ones who have truly helped him. For fans of Sing Street and School of Rock, Da Capo is a tale full of warmth and hope that music lovers of all kinds will connect with.