来上海打工的无名之辈阿娟（李昕 配音），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。
Li Xin
Ah Juan / Liu Jiajuan (voice)
Hao Guo
Ah Gou / Xiao Zhangyang (voice)
Yexiong Chen
Ah Mao / Liu Fujun (voice)
Cai Xinran
Xiao Yu / Wang Zhaoyu (voice)
Wang Yilang
Zhang Watt (voice)
Ajie
Jin Muyang (voice)
Lin Su
Reporter Xu (voice)
Cai Zhuangzhuang
Master Li (voice)
Wang Baoquan
Fat Dragon (voice)
Chen Ziping
Uncle Ming (voice)
Li Meng
Salty Fish Qiang (voice)
Li Jiasi
Ah Zhen (voice)
