The star of an upcoming Broadway production, Janet Hallson, walks out during rehersals. The producers of the show, Ted Sturgis, Leo Belney and Bob Dowdy begin to search a replacement. After a quick audition, each favors someone else: Madelyn Corlane, Joanna Moss, Suzie Doolittle. The rest of the movie tells in a series of musical and dance scenes how they finally pick …