Uncle Hua, who had lived in the old street for many years, is highly respected by his neighbors and had always made a living selling antiques. When faced with difficulties, finding Uncle Hua has almost become the living principle of the neighbors in the neighborhood. Because of the real estate business, the old street was forcibly demolished by the local Green Dragon Gang. Six bodies, seven passports and guns were accidentally found inside the wall of Uncle Hua's antique shop, which caused everyone to be shocked. All this was seen by the old man Cao, a tramp on the old street. At the same time, Uncle Hua was pursued by a mysterious organization led by Ah Jie. Who is Uncle Hua? Everything has become complicated and confusing.