Dai Miyamoto's life changes when he discovers jazz. He picks up a tenor saxophone and practices every day. After leaving his hometown, Sendai, he pursues a music career in Tokyo with help from his friend Shunji. One day, Dai plays passionately from the heart and convinces talented pianist Yukinori to start a band together. Along with Shunji, a beginner drummer, they form the three-piece band.
