Margaret delights in planning the wedding of troublesome twice-divorced younger daughter Anne (Anne Bobby), who has finally decided to settle down with a decent guy. Meanwhile, Margaret and the kids get a huge shock when her ex-husband Richard (Paul Dooley) waltzes back into town and announces he's paying for Anne's wedding! Pretty soon, the small and intimate ceremony in the backyard is replaced by a complete reception at a luxury hotel. But will Richard be true to his word? And what about Mary (Kristy McNichol) and her new biker boyfriend?