电影是一段围绕着两兄弟的故事。哥哥文光(庄仲维 饰)个性敏感,无法专注集中,更不善与人交际。尽管如此,弟弟(张顺源 饰)一直设法帮助文光找到工作。然而,文光屡次搞砸面试,闯祸惹麻烦,弟弟气愤又无奈。直到有一天,弟弟听到哥哥房间传来的音乐声,才意识到哥哥的音乐天赋一直默默闪耀着。Guang is a story about two brothers. The older brother Wen Guang is autistic and cannot focus or socialize with other people. Even so, his brother still tries to help him find a job. However, because of Wen Guang cannot focus, he fails again and again and even makes trouble, which make his brother angry and helpless. One day, his brother suddenly hears music coming from his room. The brother opens the door and realizes that he is shinning all along because of his music talent.