Elwood P. Dowd (Jimmy Stewart) is a middle-aged, good-humored though slightly bizarre man whose best friend is an unseeable 6’ 3½ '' tall coney name William Harvey. As describe by Dowd, William Harvey is a pooka, a benign but arch animal from Celtic language mythology who is particularly affectionate of societal outcast (like Elwood). Elwood has drive his sis and niece (who populate with him and hunger normalcy and a topographic point in society) to distraction by introduce everyone he meet to his friend, William Harvey.