Susan Cushing asks Holmes' help in solving the disappearance of her sister Mary Browner, but it doesn't seem Holmes' type of case until he is told of a Christmas present's grisly contents.
Is The Cardboard Box on Netflix? Unfortunately the movie The Cardboard Box is not yet available on Netflix.
| Writing | Patrick L. Mannock | Writer |
| Directing | George Ridgwell | Director |
| Writing | Arthur Conan Doyle | Story |
| Writing | Geoffrey Malins | Writer |
