A couple were invited to a fancy dress party, got their costumes but as in all such stories "she" got a headache. He didn't want to go but she insisted. He said that he would just play cards with the boys upstairs.
He wasn't playing cards in costume so offered his Musketeer costume to his father and thought no more about it. A couple of hours later the lady felt better and went to the party where she spots her "Musketeer" and starts flirting. feeling a bit risqué she takes him upstairs and has her way with him and then decides to slip home and see if her husband knew who he had the fling with. [A trap, methinks]
When he got home she asks if he had a good night and he said that he just played cards. She was about to confront him when he said "Apparently Dad had a good time though".
