The Orchestra club has given their regular concert, and next will be the national competition. They will aim to continue their string of victories, but now with just the first and second-years. However, during the morning practice on the first day, the number of violins was surprisingly small. Furthermore, Sakuma, the leader of percussion, provokes new concertmaster Hatori and the members of the string instruments with harsh words. Aono is confused, and Saeki and Ritsuko are angry.