Emergency response officer Louise faces the tricky arrest a mother wanted for assaulting a child. Patrol officer Laura has to remain cool-headed as tempers flare in a street when a stabbing victim confronts two arrested suspects. And weeks after recovering from post-traumatic stress disorder, neighbourhood policing officer Gemma is called on to track down a high-risk missing person who is depressed.

Acting Inspector Vicky investigates a late-night city centre assault. Trainee PC Jade helps a couple who have returned home to find their house ransacked. And Response PC Colette tracks down a suicidal man and needs to get him to hospital as quickly as possible.