This movie tells the story of three young people who meet in love while making their own music after deciding to form a band. Joon il happened to hear Heon il's music at a caf é and suggested forming a band after showing him his music. Afterwards, models and drummer Hyeon jae joined the band, forming a modern rock band. They depicted hesitant love and despair towards dreams with sentimental melodies - unstable but steadfast dreams. While waiting for the management's decision, these three people decided to become the bus kings of the world-renowned Indian band 'Swell Season', which changed their fate.