An uncompromising architect refuses to change his designs, and when he discovers the plans for one of his buildings has been changed, he blows up the structure and attempts to defend his actions.

Frank Flannegan, an American playboy infamous for his scandalous affairs is smitten by Ariane, the beautiful, innocent daughter of the worldly detective, hired by a man who believes that Frank is carrying on with his wife. Frank turns out to be no match for Ariane and they stumble through one of the funniest seductions on film.