I enjoyed this book but it was pretty slow paced for my liking. There were a few details that I figured out and knew what would happen eventually. There was also a lot of political discussions and talk about the clubs that seemed like filler to make the book longer. I lost interest in those parts. Otherwise, it was a good story and even though I knew some things in advance I didn't mind and actually looked forward to the time when it would happen. I'm just giving it 3 stars because of the stuff that didn't seem relevant to the story and made the book drag. I did not mind the parts where he wants to ask Lady Gray to marry him but doesn't for so long because he is insecure. I know some guys who are the same way so it seemed realistic to me.
Charles Lenox, amateur detective. receives a visitor one morning. Lady Annabell is worried about her son who is missing. She has already lost her husband and couldn't bear losing her son as well. She told Lenox her story and when she told Lenox there was a dead cat in the middle of his room, stabbed with a letter opener, he decided to go at once. There he found several other things that seemed odd and one was a card that says "The September Society." Lenox was sure that Lady Annabelle's son George had left him clues.
Throughout this story, Lenox is caught up in his thoughts about Lady Gray. He wants to ask her to marry him but he is insecure and worried about ruining their friendship. When he sees a man coming from her home he starts to worry that he is too late and she has already chosen another man. There are several times in the story when he sees her and wants to talk to her and ask her to marry him but the time never seems right and there are other people pulling her away.