In a troubled era of civil war and separatist warlords, the warlord Young Marshal Cao Shaolin (played by Gu Tianle) was brought to justice by Yang Kanan (played by Liu Qingyun), leader of the Pucheng Defense Corps, for killing three lives. However, the Cao family is rich and powerful, and uses its power to intimidate the residents. After learning of the incident, Cao family Colonel Zhang Yi (Wu Jing) rushed to Pucheng to retrieve the person. In the city, he meets his younger brother Ma Feng (Peng Yuyan) who has not seen him for many years. Ma Feng is a wanderer with strong martial arts. He wants to help when he sees injustice, but he is faced with a choice between justice and brotherhood.