The old woman refuses to sell her room to developer Ko who, as the Triad leader starts to molest May Ling.

• 其时，建筑商柯先生向旧楼各业主收购业权，独外婆决死不迁出出让，柯先生遂派手下经常往其住所骚扰，光因仗义相助,而致一腿残废。