来上海打工的无名之辈阿娟，为了赚钱给父亲治病，同意代表没落的传武拳馆参加“上海格斗之夜”武术比赛，为此他必须战胜所有的高手、偏见和自己。 A village boy who came to Shanghai to make a living decides to enter the 'Shanghai Fight Night' martial arts competition to raise money for his bedridden father. Representing the fading tradition of Chinese martial arts, he must overcome not only his formidable opponents but also prejudice and himself.