A rule bound head butler's world of manners and decorum in the household he maintains is tested by the arrival of a housekeeper who falls in love with him in post-WWI Britain. The possibility of romance and his master's cultivation of ties with the Nazi cause challenge his carefully maintained veneer of servitude.
Certain events which had an impact on Sir Arthur Conan Doyle, while he was still a medical student under the supervision of Dr. Bell, his teacher and mentor, on whom the character of Sherlock Holmes is partly drawn from.