Nothing further happened until dinner. The duke forced himself to keep calm during the meal. From time to time, he stole a glance at his son-in-law and was surprised at the likeness between him and the real d'Emboise. It was the same complexion, the same cast of features, the same cut of hair. Nevertheless, the look of the eye was different, keener in this case and brighter; and gradually the duke discovered minor details which had passed unperceived till then and which proved the fellow's imposture.

The party broke up after dinner. It was eight o'clock. The duke went to his room and released his nephew. Ten minutes later, under cover of the darkness, they slipped into the ruins, gun in hand.

Meanwhile, Angélique, accompanied by her husband, had gone to the suite of rooms which she occupied on the ground-floor of a tower that flanked the left wing. Her husband stopped at the entrance to the rooms and said:

"I am going for a short stroll, Angélique. May I come to you here, when I return?"

"Yes," she replied.

He left her and went up to the first floor, which had been assigned to him as his quarters. The moment he was alone, he locked the door, noiselessly opened a window that looked over the landscape and leant out. He saw a shadow at the foot of the tower, some hundred feet or more below him. He whistled and received a faint whistle in reply.

He then took from a cupboard a thick leather satchel, crammed with papers, wrapped it in a piece of black cloth and tied it up. Then he sat down at the table and wrote:

"Glad you got my message, for I think it unsafe to walk out of the castle with that large bundle of securities. Here they are. You will be in Paris, on your motor-cycle, in time to catch the morning train to Brussels, where you will hand over the bonds to Z.; and he will negotiate them at once.

"A. L.

"P. S.—As you pass by the Great Oak, tell our chaps that I'm coming. I have some instructions to give them. But everything is going well. No one here has the least suspicion."