Polly seeks help from an enigmatic customer in a London teahouse over her friend's killing
BBC Radio 4 Extra
The canny man in the corner helps Polly when a gambler is accused of murder.
Murder is afoot when a worried aunt tackles her nephew - a case for the man in the corner.
A dying businessman appears to have settled his will, but revenge wreaks family havoc.
A murder shatters Polly, as the old man's crime-solving efforts meet furious resistance.