Résumé : Poor Roger Ackroyd. He knew that the woman he loved had been harbouring a guilty secret - she poisonned her first husband. And yesterday she killed herself. But guiltysecrets rarely stay secret. Who had been blackmailing her before her death ' Had it really driven her to suicide ' And would it all be revealed in the letter that arrived in the evening post ' Sadly roger Ackroyd wasn't going to live long enough to find out..