Des feels insecure in his marriage. Derek tells Mavis about seeing Steph and in turn Mavis tells Rita. Mavis fears the Barnes' marriage will end and urges Derek to talk sense into Steph. Deirdre worries that Tracy will lose respect for her, but tells Tracy that Phil is a married criminal. Tracy tells Ken that Phil has run off with his wife. Percy feels at home with Winnie but goes down with a cold. Don tells Deirdre he will go to the police with her, but she tells him not to bother. Don thinks Deirdre is covering up for Phil and wants his money back