Meet Dessie and Daisy, the Mulhern twins, two know-it-alls with a suspicious view of the adult world from the day they entered it. After their birth they discover life with slightly less-than-normal parents. Dottie and husband Bill, is going to be different. In a family where the dog is more highly rated, Daisy and Dessie seem permanently at odds with the world around them, with the silliness of adults only too obvious!