Old Uncle Bobby asks the Black AS boys to fetch his tractor from a distant outstation. It runs OK but is missing a large rear wheel and tyre which Bobby has repaired. The mission is to get the wheel up there, put it on the tractor and bring it back to Ra mingining.The boys are keen but at the same time obliged to their Uncle Bobby to help him out. The barge is out Because its too costly so they need to ask Oppy for his boat...Oh No!