and asks for john andre. now, coincidentally john andre isn't just a captain anymore. by this time, john andre being such a brilliant and influential and well-liked guy, he is acting adjutant general of the entire army. in fact, the chief of staff to general clinton. and he also slowly takes over all spy duties, so he becomes a spymaster of the british forces of north america. so here you have one of peggy's best friends is suddenly the chief spy of the british army. and so a month after their marriage, this letter goes and says hey, we want to join the british, we will do whatever we can to help. now, we don't know, and in the book, we don't guess, you know, we don't speculate much at all. we say we don't know how this came about, it could've been this, this or this. in this case they may have made a joint decision. she could have begged him to do, or it could have been his decision, we don't know. >> mark is a careful journalist but i think was all her idea las.[laughter] >> one month they're married and then suddenly they're sending spy information to the british an

now, coincidentally john andre isn't just a captive any more. by this time john andre being such a brilliant and influential and well-liked guy is acting adjutant general of the entire army and in fact chief of staff to general clinton. he also solely takes over all the spy duty so he becomes the spymaster of the british forces in north america. so here you have one of peggy's best friends is suddenly the chief spy of the british army. and so a month after they are married, this letter goes and says hey we want to join the british and we will do whatever we can to help. now, we don't know and in the book we don't guess. we don't speculate much at all. we say alright, we don't know how this came about this, this or this. in this case it could've been a joint decision. she could have begged him to do it or it could have been his decision, we don't now. >> i think it was all her idea. [laughter] >> well you know it could have been. one month later married and suddenly they are sending spy information to the british and trying to make a deal. so and

john andre and the dashing officer pretty much in charge of design everything. he designed what colors the rooms would be and things like that. so it was this on surd little oasis in the middle of the material war. the british leave leaving peggy there and disappointed, and benedict arnold comes, he meetly she's known as the most beautiful woman in philadelphia. or the most beautiful woman in north america. when he goes in to exile in london spoiler alert there, too late. but she end up called the most beautiful woman in england. so she's just very highly regarded. she is going parties with benedict arnold and making sure he spends a lot of money on lavish stuff. so arnold is -- you want to get in to why arnold would have turned traitor. >> he was a feasty guy that didn't sit well. he was in duals with people in the caribbean in the shipping business. and he was serving after the british left as military command er for philadelphia and high candidate for the bad guy in the story is the civilian head of government in pennsylvania man named joseph reid who was exa