教官张智勇与妻子杨曼在从西亚国回国的航班上遭遇了国际不法分子的恐怖行动，凭着英勇无畏的孤勇精神保护了妻儿与飞机上的乘客，成功摧毁歹徒的恐怖计划，带领同胞安全回到祖国。
时间是1918年，中华大地饱经磨难，战火连连，内有军阀割据，外有强梁入侵，中国的命运前途未卜。湖南长沙，以毛泽东（保剑锋 饰）、蔡和森（陶帅 饰）、萧子升（钱枫 饰）等一众忧国忧民的热血青年组织起新民学会，共同探讨祖国的未来。为了筹措赴法勤工俭学的款项，毛和朋友们辗转北上，来至北京大学投奔恩师杨昌济。经恩师介绍，毛在北大图书馆人管理员，在此期间他结识了辜鸿铭、陈独秀（李子雄 饰）、李大钊（石梁 饰）等文化巨擎，更接触到了改变了他乃至全中国命运的马克思主义。 与此同时，毛泽东也与杨昌济的女儿杨开慧（周冬雨 饰）谱写了一段乱世恋情……
The main hero of the film is an electrician with a far greater effect on the people around him than his job defines. He is the last link in a huge energetic system and he becomes the binding bridge between the geopolitical problems of post-soviet space and the common people. The economic devastation of the country had an enormous impact on the industrial workers and yet despite the upheaval, these people did not seize to love and suffer, to have and be friends and to enjoy their lives… In particular our resilient electrician, who possesses a wonderful and open heart. He not only brings electric light (which is often out) to the lives of the inhabitants of this small city, but he also spreads the light of love, loyalty, life and mainly laughter.
大革族四大勇士之元泰、勇士昆布倒戈卖国投降，元泰引西暌族和南离皇族联军攻革，大革族族皇自杀身亡！蔡八儿提着七孔刀逃亡，在山林里救了被狼群养大的小男孩，蔡八儿为小男孩取名祖澈，蔡八儿和祖澈隐居十五年后，祖澈长练得一手好刀法，光复大革国。
