Sherlock Holmes (1984)

The Solitary Cyclist (1x4)

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Violet Smith has recently started a new job as music teacher to Robert Carruthers, staying during the week at his house in the country. She consults Holmes because she is worried about being followed once a week on her way to the railway station by a man on a bicycle. Carruthers asks Miss Smith to marry him, but Holmes sees a sinister connection between him and the stalker.