After Seon-yoo's father committed suicide leaving behind a large sum of debt for them, Mother and 12-year-old Seon-yoo move to a new place to have new start.
Se-ha who is a physically handicapped and Dong-gu who is a mentally handicapped are not their own brothers. But while living 20 years together, the two became indispensable to each other. One day, the mother of Dong-gu suddenly visits him and acts as his guardian.
Jae-mo leaves the world behind and takes refuge in a remote fishing village. Out of nowhere, Soo-bin comes into his life. Their relationship is purely physical at first but their love intensifies as they begin to deeply understand each other's pain. Soo-bin unwittingly discovers sheets of music...
