It all started with an email. “Dear Sir, I hope you don't mind me addressing you as Sir. My name is George. I am a friend of Chris and Karen’s. I think they have told you a little about me, and you have been expecting my email. Karen has told me a lot about you, and you certainly have my respect, Sir. “She told me about the ménage à trois with your wife Jane and her lover Valerie. How does that work? I know they are lover...