Watch Old Iron Full Movie Free Online 123Movies. If you live in Dominican Republic or Latin America for that matter, you, most likely, have heard the sound of the cameros, those who go around the entire city buying old things. "Hierro Viejo" tells the story of Luis and Nelson, two cameros who have continued their work in the midst of the pandemic, one of them is involved in a crime and will have to deal with the consequences and the karma behind his actions.