"I fear they have cut down the tree and carried it away," said Edgar forebodingly. "Search for the scar in the ground--ah, here 'tis, carefully covered with leaves and twigs, to show no sign."

The two young men gazed down at the smooth patch of loose earth in silent consternation. It was on the continued existence of the secret passage that they had built most of their hopes, for in all their discussions they had agreed that it would be almost an impossibility for them to make their way over the walls and into the castle a second time. Their first attempt had ended in capture, and it was not likely that a second, with the garrison on the alert, would be any more successful.

"They have filled up the passage," cried Peter despondently. "What hope is there now to find a way into the castle? Would that we had wings!"

"This is a heavy blow," said Edgar slowly. "I can think of no way in at present. But we have always one thing to fall back on, so lose not hope so soon, lad."

Peter looked up quickly. "Mean you to----"

"Yes, to throw in our lot with the priest. If we cannot win our way in by strategy we must fall back on force of arms. But before the die is cast for an assault upon the castle, let me think if there is no other means possible."

For half an hour Edgar paced up and down the tiny glade formed by the removal of the great tree whose hollow trunk had been so cunningly made use of by the builders of the castle. From every point of view he conned over in his mind the defences of the castle, and wrestled with the problem of circumventing them. But he could think of no way that offered any real hope of success, save by waiting and watching for some special opportunity. This, however, was out of the question, for the thought of the delicate and high-spirited Beatrice d'Alençon confined in a castle whose gloom had weighed heavily upon the spirits even of men inured to war and hardship was simply intolerable.

"Come, Peter," Edgar cried at last in the brisk voice of one who has made up his mind, "come; I see no way in but by the sword, and while that castle holdeth Sir Gervaise de Maupas little do I regret it. Let us now seek Father Armand, and place ourselves by his side."

Peter gave a suppressed cheer, and followed with an eagerness that showed that the prospect of an assault upon the castle appealed to him not one whit less than it did to his master.

As soon as they had found their horses the two young men mounted and rode quietly into the village. At the house which served as an inn they stopped, and, calling the landlord, enquired for Father Armand.