Kang Jae's lesson causes a fight between Nae Il and Yoo Jin. Both regret but find it hard to make up. A new poster says S-Orchestra will be disbanded.

With improved skills, S-Orchestra members get selected to join a new orchestra. This helps them and Nae Il realize that they were wrong about Yoo Jin.

On the first day of performance, Nae Il fears getting on stage for rehearsal, and Yoon Hoo's hand pain doesn't subside with pain killers.