As previous sections foreshadowed, it doesn’t take long for Robin and his friends’ cover story to unravel. The ambiguity of Playfair’s identity—whether he is or isn’t a member of the Hermes Society—highlights the drawbacks of the Hermes Society’s insistence on secrecy. Not only do Robin and his friends have no way to contact the Society, but they are also vulnerable to the possibility that other people may try to entrap them by posing as members of the group.