Twelve years after Joanna Gold famously disappeared in broad daylight on Hampstead Heath, the dress she was wearing is found in a lock-up. The team begin the hunt for her killer.
Quest roles:
Sophie Winkleman, Louise Delamere, Cherie Lunghi, Roger Allam, Jack Ellis, Steve Toussaint, Ralph Nossek, George Calil(David Gold), Justin Salinger(Alec Garvey), Paul Bazely(Doctor), Justin Shevlin(Mark Kaufman), Gabriella Saunders(Kirsty Ashcroft)