When a widower with 10 children marries a widow with 8, can the 20 of them ever come together as one big happy family? From finding a house big enough for all of them and learning to make 18 school lunches, to coping with a son going off to war and an unexpected addition to the family, Yours, Mine and Ours attempts to blend two families into one and hopes to answer the question Is bigger really better?

The musical revolves around the antics of Mame Dennis, a fun-loving, wealthy eccentric with a flare for life and a razor sharp wit. Her life is suddenly changed when she becomes the guardian of her late brother's only child, Patrick Dennis. Her adventures take us from the speak-easies of the roaring 20's to the depression following the great Stock Market crash. She is rescued by a wealthy Southern plantation owner, marries and is widowed suddenly, and through it all, manages to keep things under control. With some help from her dearest friend, Vera Charles, she helps keep things at 3 Beekman Place a rousing free-for-all.

In heaven, showman fondly recalls his first Broadway revue, the Ziegfeld Follies of 1907. Even from heaven, he is hoping that he can, for one last time, create that same magic by mounting one last follies. As he thinks about who he would like to appear in these follies, he is assisted in realizing his fantasy, at least in his own mind, by such luminaries as , , , , , , , , , , , , , , , , , and, of course, a bevy of beautiful girls.

Mr Casey's daughter Connie wants to go to the Pottawatomie college and he sends without her knowlege four football players as her bodyguards...

A boardinghouse full of aspiring actresses and their ambitions, dreams and disappointments.