Arun has a dark secret she is desperate to keep under wraps. The Costa Cons' buns and booze scam is about to be exposed. An elderly nun arrives at Larkhall and gets thumped by Natalie Buxton - but Sister Thomas seems to win the other girls round with her plans to help children in Africa. A codicil in Sylvia's aunt's will bars her from marrying if she is to inherit the house.