Stamp talks to a man about paint stripper on his car - 2nd time in a month. Ron knows him. Reg and June are later called to an industrial estate where a man is damaging the car. The man damaging the car turns out to be the son of a man supposedly killed by the owner of the car. Carver and Greig investigate a fight in a pub at closing time. The victim is not talking but the girlfriend knows who he might have been drinking with. Ron helps Carver and Greig catch him. The girlfriend wanted her boyfriend to stop thieving.