six o'clock
`` Rather , '' said the duchess cheerfully . `` But I do n't take Mary Bride with me . I go back to Budleigh Salterton by the four forty-five from Waterloo ; and my follower will no doubt go with me . Eglantine and Mary Bride will go down to Exeter by the six o'clock from Paddington , motor over , and slip into the house late at night . There 's sure to be some one watching it ; and once they believe Marion to be in it , they 'll go on watching it without bothering about me . I only want to be left alone for six hours , and I 'll get Marion away without leaving a trace . '' `` Strategist , '' said the Honourable John Ruffin in a tone of admiring approval .