Known stalker Larry Franks emerges as prime suspect in the Cindy Statham murder case – until CCTV footage reveals the model had a furious row in a restaurant with her half-brother on the day she died. Leela reports an attack by an intruder but she is put in a compromising situation when her colleagues turn up and discover a bag of heroin in her flat. Tony tracks down a man who had been stalking the dead woman, while Jo and Stuart interview the victim's half-brother.