Okaro asks Masters to investigate when the local press manage to capture a photo of notorious child killer Lesley Palmer. Masters suspects that Palmer's former cellmate, Fi Dodds, may be responsible for the leak, and when confronted, she reveals that she has also leaked information as to Palmer's whereabouts. When a group of journalists and angry protesters arrive on her doorstep, Palmer manages to make a disappearing act. Meanwhile, Nixon investigates when a stash of recalled antibiotics almost causes a man's death after making their way onto the streets of Sun Hill, and uncovers a dangerous rivalry between two neighbours who are both fighting to be king of their patch.