"No; but I thought it much better to be prepared to leave at any moment. Mistress Leroux has shown me a door opening from the yard into a very narrow lane behind. She says that it has not been used for years, but she has been down herself with the key and has unlocked it, so that we have only to let a bar down to open it, and if there should be an attack on the front of the house we can escape that way."