"Howdy" Nelson believes there is no such think as real love and that romance can be cooked up between any eligible persons (of the opposite sex.) He is so imbued with the idea that he has established a summer camp for that reason,and has written a play on the subject. The Yacht Club Boys visit the camp, misrepresenting themselves as Broadway producers, and the talented guest of the camp put on Nelson's play...which all ends up with a lot of marriage mating; Judy and Skipper, Betty Jane and Stanley and...Gwen and "Howdy,' the guy who was positive there was no such thing as true love.

Timothy (Dickie Moore), an orphan, is sent with his sister, Gay (Sally Martin), to a farm run by Vilda Cummins (Elizabeth Patterson, an old maid with a dislike for children. Timothy eventually wins her over, and also pushes along the romance for her niece, Martha (Eleanore Whitney), with David Masters (Tom Keene).

The title character is a resourceful young man who knows a whole little about a whole lot of things, and who concentrates by playing his saxophone. Clarence ingratiates himself with the wealthy and eccentric Wheeler family, though daughter Cora can't stand the boy.

Department store owner J. Elliott Dinwiddy has waited fifteen years for the perfect astrological moment to propose to his secretary, Myrtle Tweep. His astrological advisor, Dr. Wakefield, has told him that if he can unite a boy and a girl in true love before midnight, he can propose to Myrtle the following night. Fate then brings unemployed dancer Caroline Wilson into the music department of Dinwiddy's, where she meets handsome songwriter Terry Keith.