After dinner, Sheppard is brought into Ackroyd's study, where Ackroyd tells him that Mrs. Ferrars had confided in Ackroyd that she was being blackmailed by someone about killing her husband. ###>Ackroyd révèle tout ceci au docteur après un dîner agité, quand Parker, le maître d'hôtel, apporte le courrier, dans lequel se trouve une lettre de Mrs Ferrars.