With Constance acting more and more ""unlady-like"" Gervaise decides that the best thing he can do for her is to hire someone to teach her to be more of a lady, this is where Mrs Graveney comes into the picture. Mrs Graveney, a poor widow by day and at every other moment the ringleader of a group of orphan thieves. One of them, Spike takes Mandy prisioner and won't let her go even after she spills the secret of the mirror, but why would he believe that? (thetvdb.com)