From his talk, merry Jack seemed almost to have turned into a bloodthirsty soldier; yet he was the good-natured, kindly comrade as of old to those who came across him. He became a favourite with all during that quick march, and even the grave Earl was seen to smile sometimes, either at some of the youth's sallies, or at the mirth they provoked. For Amalric would have him in his company, enlisting him as an esquire, second only to Leofric; so that De Montfort could not but notice him from time to time, and once he called upon him for his account of the fight on the walls of Northampton. But Jack was destined to distinguish himself in another way ere many days had passed. He was burning with zeal in the cause of the Barons, and intensely eager to avenge the slight put upon that cause by the stratagem of Northampton. "If they outwitted us once, surely we may outwit them here," he remarked, as he looked at the solid walls of the city of Rochester, and wondered how they were to be captured. He took counsel with one or two bold spirits, Leofric amongst the number, and presently the vague idea which had suggested itself grew into a definite plan. Amalric himself led the youth into the presence of his father to tell the thing he had conceived, and Jack spoke out boldly, being a stranger to fear. "Sir," he said, "I have been used to the water all my days, and yestere'en I took a boat and dropped down with the tide into the city. There is a bridge in the heart of it, and I thought how that if, whilst we wait without the walls, we should send a fire-ship up the river's mouth with the tide, and fire it against the bridge, it would so affright and disturb the city, drawing all attention to the centre of the town, that our brave soldiers at the gates could soon force an entrance, even as at Northampton the false attack drew off the attention of us all from that spot where the false foreign Prior had undermined the wall. If a base foreign traitor can outwit honest Englishmen, surely it is a game we can pay them back!" The Earl turned over the idea many times, and it found favour in his sight. A small fire-ship could be easily made ready, and the ruse might prove successful. "And how shall we know that the ship will come to anchor by the bridge and fire there?" he asked thoughtfully. "Sir," answered Jack boldly, "if you will accord your gracious permission, I will guide it thither myself, and having fired it will dive off, and secrete myself somewhere amongst the shipping until the tide turn and I can swim away. Or perchance my comrade, Leofric, will accompany me in a small boat, and take me aboard when my task is done." The idea took hold upon the mind of De Montfort, and with great dispatch and secrecy the fire-ship was prepared. The strong walls of Rochester hardly invited assault unless there were some counter-distraction within the city to render such assault less perilous to those without.