3/3 A respectable elderly lady is found dead from natural causes. Or was it murder?
BBC Radio 4 Extra
3/3 1935 Peckham: A grieving mother is determined to avenge her daughter's murder.
BBC Radio 4
6/6 A stabbing, a fatal fire, blackmail and hush money. Can the sleuth unravel the mystery?
10/10 What was the gunshot heard by the detective as the khansamah was being driven to jail?
10/10 The Roman detective has discovered a hidden room, but can he solve the lingering mystery?
5/6 After the Geneva revelations, the suave sleuth heads to St Moritz, where danger lurks.
9/10 Now that the detective has the khansamah at his mercy, what will the servant reveal?
9/10 The detective makes a discovery in Rome, but is he ready to reconcile with his father?
1/3 Colin's wife and daughter were brutally attacked in their home, but no-one has broken in.
4/6 After a curious train journey to Geneva, the suave sleuth gets a surprise revelation.