In order to recover his arrears of wages, laid-off worker Zhao Tiezhu was forced to get involved in the power struggle of the local gang "Black Dragon Gang". After witnessing the brutal murder of a gang leader, he discovers that his father's death was not an accident but a carefully planned murder. In order to find out the truth, he dealt with the ruthless new boss Scar, the mysterious third master's daughter Lin Xiaomei, and the criminal police captain Chen Jianguo, who was both good and evil, and gradually uncovered a shocking conspiracy that spanned the three worlds of government, business, and underworld - the "Rust Belt Project."
