In a fictitious music school, the students of Chinese orchestra and Classical orchestra don't get along with each other. They call each other "tacky" and "pretentious". Chen Jing, a quirky but talented yangqin student, initially doesn't care about the rivalry, until she falls for the piano prodigy Wang Wen. Annoyed at his ignorance and prejudice toward Chinese instruments, she is determined to prove herself to him by forming her own ensemble, which consists of her best friend who secretly loves her Li You and four Otaku girls whom initially only agreed to join because of Chen Jing's promise to buy them expensive action figures. They named their concert band "2.5 Dimension", meaning a blend between 2D and 3D worlds, as the Otaku people refer to themselves as living in the second dimension. They perform at an Animation, Comics, and Games convention, and after initial rejection the crowd cheers for them.
They perform for Wang Wen but he publicly rejects Chen Jing and traditional Chinese music. Crushed, Chen Jing chooses to disband 2.5 Dimension. The four Otaku students, who have grown to love the band, are angry and refuse Chen Jing's gift of expensive anime figurines. Chen Jing's mother tells her about how the yangqin is a part of her and that she can't give up playing it without its permission. The head of the school announces plans to take in no new students and thus phase out the Chinese Orchestra program. But the original members of 2.5 Dimension are joined by other students to protest. After the head of the school continues to refuse them, they organize a music competition with the Classical Orchestra. An inspector comes to the school and as both orchestras play their music, the Chinese orchestra matches well with the Classical students. The inspector leaves very impressed. Meeting outside, the competition is declared a tie, earning mutual respect. The Chinese orchestra then enlists the help of the Classical orchestra to sneak in and unofficially play after the other performers at a public youth concert, which is being broadcast live. They are met with high praise. The movie ends by showing the arrival of freshmen, including a number keen to learn in the reprieved Chinese orchestra.
Casting
Xu Lu as Chen Jing, student from the music school's Chinese Music Area who plays the Yangqin
Peng Yuchang as Li You, percussionist playing Chinese drums
Our Shining Days garnered generally-positive response.[citation needed] Edmund Lee of South China Morning Post rated the film 3 out of 5 stars, describing it as "slight but entertaining" while highlighting the film's "youthful spirit".[2]
