When a bored Sherlock eagerly takes the case of Gabrielle Valladon following an attempt on her life, the search for her missing husband leads to Loch Ness and the legendary monster.
| Genre | : Petualangan, Misteri, Kejahatan, Komedi |
| Sutradara | : Billy Wilder |
| Pemeran | : Robert Stephens, Colin Blakely, Geneviève Page, Christopher Lee, Tamara Toumanova, Clive Revill |
| Rilis Resmi | : 01 January 1970 |