The corpse of a shabbily dressed young woman has been discovered in the mud flats of the Thames at low tide. Police assume she's a prostitute, but Dr. Watson suspects something more and goes to his old friend Holmes, now retired and at very loose ends.
| Directing | Simon Cellan Jones | Director |
| Writing | Allan Cubitt | Writer |
| Production | Greg Brenman | Executive Producer |
| Production | Elinor Day | Producer |
| Production | Rebecca Eaton | Executive Producer |
| Production | Gareth Neame | Executive Producer |
| Sound | Adrian Johnston | Original Music Composer |
| Camera | David Katznelson | Director of Photography |
| Editing | Paul Garrick | Editor |
| Production | Kate Rhodes James | Casting |
| Art | David Roger | Production Design |
| Art | Fleur Whitlock | Art Direction |
| Art | Jo Kornstein | Set Decoration |
| Costume & Make-Up | Andrea Galer | Costume Design |
| Costume & Make-Up | Helen Johnson | Makeup Artist |
| Costume & Make-Up | Jamie Pritchard | Hairstylist |
| Writing | Arthur Conan Doyle | Novel |
| Production | Allan Cubitt | Executive Producer |
| Costume & Make-Up | Pat Hay | Makeup Artist |
| Costume & Make-Up | Liz Michie | Hairstylist |
| Costume & Make-Up | Aaron Sherman | Prosthetics |
| Sound | Anthony Faust | ADR Mixer |
