In the 1940s, Sun-ok and Jeong-eem dream of leaving home to chase music and freedom. But a sudden tragedy in the community shatters innocence, forcing Sun-ok into an unexpected marriage. Jeong-eem disappears under mysterious circumstances, leaving Sun-ok burdened with guilt and unanswered questions. Decades later, the elderly Sun-ok reunites with Jeong-eem, who remembers nothing of their past. Sun-ok's granddaughter Ji-an becomes a bridge between them, carrying the scars and hopes of a new generation.