Some uncomfortable truths emerge when Inspector Black's husband is brought into the station. Robert and Lucy are on the hunt for a vigilante attacking doggers.

With the decision on the CID job imminent, Neil and Kelly's relationship is put to the test. John and Luke investigate a possible race attack on a local solicitor.

Harry offers to provide evidence against Stenga who, discovering what is going on, decides to take action. An elderly woman calls at the station, claiming to hear voices that tell her about future crimes.