Mickey Moran, son of two vaudeville veterans, decides to put up his own vaudeville show with his girlfriend Patsy Barton. But child actress Rosalie wants to make a comeback and replace Patsy both professionally and as Mickey's girl.
Nellie Kelly, the daughter of Irish immigrants, patches up differences between her father and maternal grandfather while rising to the top on Broadway.
Various MGM stars from yesterday present their favorite musical moments from the studio's 50 year history.
