Chapter 18 Summary

When d'Artagnan comes down from his apartments, he persuades Madame Bonancieux to tell him everything and to entrust him with the mission to London. At first she hesitates, but he assures her of his love and loyalty and she consents. As he has no money for the trip, she gives him the bag the cardinal had given to her husband, and d'Artagnan appreciates the humor in the fact that they will use the cardinal's funds to save the queen.

Bonancieux returns to the house with Rochefort, so d'Artagnan and Constance Bonancieux escape to d'Artagnan's rooms and listen to their conversation through the floor. Rochefort chides Bonancieux, telling him he should have pretended to take his wife's commission, so she would have given him the letter. Bonancieux assures him that there is still time to reverse the situation, since his wife is probably at...