Cleaning David's cluttered room Bill discovers his secret diary which recounts past events in the Porters' lives - how Bill,setting up her own catering business with Rona,almost came to blows with a prostitute after putting a card in a newsagent's window,how Bette's sister Belle locked herself in her flat refusing to come out for Bill or soppy social worker Mo until Bette came round to patch up a long-running family feud and how Rona's gay brother visited,taking a shine to Ben as he liked fat men,Rona eventually forgiving Adam for stealing one of her boy-friends. Ultimately Bill discovers the real secret hidden in the cupboard with her son's diary - and it is scary.