Uncle Hua (Simon Yam) has lived in the old street for many years. He is highly respected by the neighbors and has been selling antiques for a living. "If you have any trouble, find Uncle Hua" has almost become the life creed of the neighbors. Because of the real estate business, the old street was demolished by the local Qinglong Gang. Six bodies, seven passports and guns were accidentally found in the wall of Uncle Hua's antique shop, which caused horror among the people. All this was seen by Cao Laotou, a homeless man in the old street... At the same time, Uncle Hua was hunted down by a mysterious organization headed by Ajie (Andy On). Who is Uncle Hua? Everything became confusing.