Innes and Possibility enter. The 'doctor' cons money for medicine out of them, too. News comes of Mistress Hairbrain's impending arrival. Worried that they will ruin his plans, Penitent does his best to get rid of the brothers, but they refuse to leave until the Courtesan pretends that she needs the 'doctor's' help to urinate in a bedpan—a ruse that precipitates the brothers' speedy exit. Penitent praises the Courtesan's ingenuity. Mistress Hairbrain enters and immediately retires to an adjoining room to have sex with Penitent. Hairbrain listens at the Courtesan's door, hoping to eavesdrop on his wife and the Courtesan's conversation. Wise to his tricks, the Courtesan loudly pretends to be giving Mistress Hairbrain moral instructions. Penitent and Mistress Hairbrain re-enter the bedroom. Mistress Hairbrain tells Penitent that they will have another opportunity to 'meet' in three days time, when her husband is planning to go on vacation.