王小羽音乐考试挂科后躲在家里吃瓜追剧，却意外乱入剧中。通过随身带来的沙发和遥控器，一边无意打乱剧情，一边努力修正，最终与剧中角色建立了深厚的感情，最后发挥所学，通过音乐帮剧中角色赢得比赛，实现自我成长。

After failing the music exam, Wang Xiaoyu hides at home but accidentally gets pulled into the drama she was watching. While trying to fix it, she unintentionally disrupts the drama and eventually builds a deep relationship with the characters in the play. Wang Xiaoyu used what she learned to help the characters in the play win the competition through music and achieve self-growth.