 Portrayed as a hard-working woman in her late 30s, struggling to maintain a home, which included her workshy husband Reg, elderly father-in-law Ted and her teenage son Del Boy.She has an affair with Freddie Robdal, a friend of Reg's recently released from prison, and soon discovers she is pregnant.Joan and Freddie's affair isn't one of lust; they seem to love each other genuinely and Joan loves both her boys deeply.