Jackie's rocky relationship with her mother worsens when she begins prosecuting one of her oldest friends for negligence in the workplace, setting in motion a horrifying chain of events that leave the Ashfordly officers with a murderer on the loose. Meanwhile, Vernon and David's latest enterprise of catering for pop concerts plunges the whole of Ashfordly into a blackout, whilst Ventress and Blaketon are wary of Gina and Bellamy's romance because romantic relations between a police officer and a licensee are illegal, putting Bellamy in a terrible predicament.