In a mansion full of secret rooms and passageways, people are dying shortly after seeing the ghost of a woman in gray, as an old legend dictates. Called in to solve the mystery, Sherlock Holmes has doubts about the supernatural aspect of the crimes and focuses on a more earthly culprit.
Unfortunately the movie The Grey Dame is not yet available on HBO Max.
| Writing | Arthur Conan Doyle | Characters |
| Writing | Viggo Larsen | Screenplay |
| Directing | Viggo Larsen | Director |
