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.
From newcomers to rappers already loved by many fans, all gather to compete against each other in order to pick the best Hip hop entertainer. The one that receives the most votes from the audience takes it all.
