Susan confronts Andreas about the incriminating photograph that has been e-mailed to her. In Saxby on Avon, Atticus Pünd assists Inspector Chubb in the investigation of the murders of Mary Blakiston and Magnus Pye by suggesting that police divers search the lake.

Cast: Lesley Manville, Tim McMullan, Nia Deacon, Conleth Hill, Daniel Mays, Alexandros Logothetis, Harry Lawtey, Matthew Beard, Dorothy Atkinson, Claire Rushbrook, Pippa Haywood, Michael Maloney