Philip remonstrated with Henry; but received for answer, that Richard had confessed to the archbishop of Dublin, that his enterprise against Raymond had been undertaken by the approbation of Philip himself, and was conducted by his authority.

The king of France, who might have been covered with shame and confusion by this detection, still prosecuted his design, and invaded the provinces of Berri and Auvergne, under color of revenging the quarrel of the count of Toulouse.

Henry retaliated by making inroads upon the frontiers of France and burning Dreux.

As this war, which destroyed all hopes of success in the projected crusade, gave great scandal, the two kings held a conference at the accustomed place between Gisors and Trie, in order to find means of accommodating their differences; they separated on worse terms than before; and Philip, to show his disgust, ordered a great elm, under which the conferences had been usually held, to be cut down; as if he had renounced all desire of accommodation, and was determined to carry the war to extremities against the king of England.
But his own vassals refused to serve under him in so invidious a cause; and he was obliged to come anew to a conference with Henry, and to offer terms of peace.

These terms were such as entirely opened the eyes of the king of England, and fully convinced him of the perfidy of his son, and his secret alliance with Philip, of which he had before only entertained some suspicion.