The team race to find the culprit when someone goes to dangerous lengths to force a farmer's widow into giving up her husband's rundown farm, with the finger of suspicion pointing firmly at her ruthless niece. Meanwhile, Vernon enters a hot rod racing event and asks Bernie to repair a highly modified morris minor for him to use. Elsewhere, Ventress takes a new special constable under his wing when he is dispatched to Ashfordly station, whilst Bellamy gets his wires crossed when Gina is spotted leaving the maternity ward.

Mike suspects a cover-up when the wife of the High Sheriff has a road accident that leaves a farmer seriously injured. With Craddock compromised by the investigation, it falls on Blaketon to launch his own enquiry and find out what really happened. Meanwhile, David finds himself in trouble with a jealous husband known as "Big Bo" when he joins Vernon's marriage bureau. Elsewhere, Bellamy is heartbroken when Gina turns down his marriage proposal and asks Craddock for his job back at Ashfordly station.