Rita and Emily prepare Mavis for her wedding. She is nervous about everything. With ten minutes to go before the ceremony, Mavis tells Rita that she can't marry Derek. She feels it wouldn't be right; she's always known she couldn't. She always meant to turn him down but didn't want to hurt his feelings. Rita tries to talk her round but she is adamant she's not right for Derek. Rita and Alf go to the church to tell Derek only to find he's not there either. His best man, Carl Stanton, tells them that Derek can't go through with the wedding. Whilst Rita starts rowing with Edith Wilton over who jilted who, Alf has to break the news to Reverend Unsworth. Mavis disappears leaving a note saying that she's going away; she can't face anyone. (thetvdb.com)