Plot synopsis: Onesun, one of Korea’s first generation hip-hop musicians, appeared on an audition program. Although he did not make it to the finals, he received great attention for the first time in 20 years since his debut. However, he still delivers packages, and at nights he runs the underground hip-hop club ‘In2Deep’ in Hongdae. Onesun’s life and his club ‘In2Deep’ illustrate the reality underground musicians are faced with.