This Sunday watch Mr Holmes!

The story of a retired Sherlock Holmes story. Featuring Hattie Morahan, Frances de la Tour and Nicholas Rowe.

An aged, retired Sherlock Holmes deals with early dementia, as he tries to remember his final case, and a mysterious woman, whose memory haunts him. He also befriends a fan, the young son of his housekeeper, who wants him to work again.

Hattie features as Ann Kelmot, Frances de la Tour features as Madame Schirmer and Nicholas Rowe features as Matinee 'Sherlock'. 

On BBC Iplayer from Sunday 4th February.