To film a documentary with veteran jazz players as the central figures, the project band, JazzMan is made up in quartet form. This band is composed of self-studied saxophonist Lee In-guan, studied abroad jazz piano player Ji-na, bassist Sa Myeong-hoon, and drummer Kim Hong-ki. It is not easy to move their hearts because they have different interpretations of the album. The outcome of 10 years of their musician lives could possibly come true?