Ned tells Jan not to take any notice of Chris, but she is convinced that he is telling the truth about Dave and Kim's affair. Things start to add up for her now - the tenancy, Kathy and Dave splitting up. They decide to confront him. Biff and Linda are washing Alan's car. Biff wants to tell Betty about their decision to get married. Dave doesn't deny the affair when confronted by his parents. Jan is shocked and worried about their future. She also cannot believe that he would betray Frank when he has treated him so well. Dave tries to justify the affair telling them that he is in love with Kim and that he just could not help himself, nothing else matters. Roy splatters Alan's clean car with mud so that he can get paid for re-cleaning it and wreck Linda and Biff's reputation. Scott asks Butch to go rabbitting with him. He is bunking off school again. (thetvdb.com)