This is Otsuka Music Office, run by the famous enka singer Otsuka Ichiro. Rin married Ninomiya Kentaro, an enka singer who was affiliated with the office, but their happiness was short-lived when Kentaro passed away. An uneasy atmosphere spreads in the office over a certain song left behind by Kentaro... "We'll sing the song Kentaro left behind, and then we'll aim to be the final act at next year's music festival." Rin is disgusted by Ichiro's cold-heartedness, who tries to turn even her husband's death into a business venture. Then, Rin's senior apprentice Ryoichi calls out to her...