Robin has grown up the son of a nobleman. He knows he must serve the king by becoming a knight. But Robin’s destiny is changed suddenly when he falls ill and loses the use of his legs.
A monk named Brother Luke rescues Robin and takes him to the hospice of St. Mark’s. There Robin learns woodcarving and–much harder–strength and patience. When danger threatens the great castle of Lindsay, Robin discovers there are more ways to serve a king than riding into battle. As Brother Luke says, “Thou hast only to follow the wall long enough and there will be a door in it.”