An link between the murdered man and the Russian Royal Family leads to Lord Peter identifying the murderer.
Once they discover the true identity of Havilland Martin, the man Harriet met shortly after finding the body, Lord Peter and Harriet try to poke holes in his rather perfect alibi. Meanwhile a coroner's inquest in the death of Alexis leads to a verdict that Mrs Weldon cannot accept.
Lord Peter and Harriet visit the scene of the crime and discover some evidence that there may have been witnesses to the death of Alexis. Or were these people the murderers? Meanwhile Bunter looks into the history of the unique razor that killed the bearded man. At the hotel Lord Peter and Harriet meet the only man who seems to be happy that Alexis is out of the picture.moreless
Lord Peter's assistant Miss Climpson finds an ingenious way to get a look at the will of Miss Wrayburn, while Miss Murchison comes across some mysterious white powder in her current employer's safe. Lord Peter puts everything together and confronts the main suspect.
Though some evidence shows up that might prove the death of Peter Boyes was suicide rather than murder, Lord Peter directs his attention to the vicitim's cousin, Norman Urquhart, as a possible murderer. He puts a spy in Urquhart's office to look for a possible motive. Meanwhile, he notices that the imprisoned Harriet Vane is giving up hope, which makes him feel quite frustrated.moreless