In 1947, long-retired and near the end of his life, Sherlock Holmes grapples with an unreliable memory and must rely on his housekeeper's son as he revisits the still-unsolved case that led to his retirement.

Three black men rob a Knightsbridge Italian restaurant. But when the police are called and the robbery becomes a siege, the men find themselves in a situation out of their control.

BBC production of the 1963 Broadway musical which was based on Ernst Lubitsch's 1940 film "The Shop Around The Corner."