Det. Sgt. Shorrocks of the CID interviews Emily and Doreen. They are reluctant to give a description of the good-looking robber. Ken suspects Frank of being up to something. Mavis Fox calls at No.11 to visit Dennis' grandmother. Elsie plays along as the cleaner. Mr Papagopolous is pleased that the stock was stolen as it was old stock that couldn't sell and was insured. Elsie demands that Dennis tells Mavis the truth. Frank tells Ken he plans to leave the GPO and buy a DIY shop. Dennis can't bring himself to tell Mavis.