Al has to move out so,to increase his chance of getting a new flat, Jo poses as his wife but Charlie finds out and,as a result,Al fails to get the flat so Charlie lets him sleep on the sofa at Caroline's. Unfortunately he screams in his sleep, keeping everybody awake so Charlie has to approve another lie to help him get another place. Having told Jo that honesty is the best policy Charlie finds it is true when marketing a foul-tasting health drink Caroline is trying to promote.