Pride the fails of Mark for Lois and Peter for Diane, brother and sister which cause many misunderstandings. Mark and Diane are socially and act. Lois and Peter are not -- and an involved situation results, further by Mark and Plane's guardian, Fenton Wishart, also falling in love with , who is his secretary. Wishart persuades Lois to go off on a trip with him -- with her. But eventually, Wishart concedes his place to youth, and ultimately himself in love again with an old flame, Lois' and Peter's mother. Flypaper this.