Janet Leach (Emily Watson) develops a complex relationship with serial killer Fred West (Dominic West) as she sits with him during his police interviews as his designated ‘appropriate adult’. Based on real events and showcasing some outstanding performances, this true crime two-part drama won four BAFTA awards, including best actress and best actor for Watson and West and best supporting actress for Monica Dolan (The Thief, His Wife and the Canoe, also streaming on BritBox) as Rosemary West, Fred’s wife and partner in crime.