When the temperamental star of a new Broadway musical revue in rehearsals walks out, director and choreographer Ted Sturgis suggests casting an unknown for the role. When it is announced in the newspapers, throngs of hopefuls show up. The revue's musical composer, Leo Belney, champions ballerina Joanna Moss, while gofer Bob Dowdy is enchanted by novice Suzy Doolittle. Then producer Felix Jordan persuades Ted's former dance partner, Madelyn Corlan, to come out of retirement to try out, much to Ted's great discomfort.

Martin and Sally Cramer grew up on the hardscrabble Lower East Side, where Sally still teaches; meanwhile, Martin's the head of a fancy private school. Romantic dalliances with others convince them that they're meant to be together despite their differences, a decision that's cemented, oddly enough, by an over-the-top argument that draws the police.

Ruth and her beautiful sister Eileen come to New York's Greenwich Village looking for "fame, fortune and a 'For Rent' sign on Barrow Street". They find an apartment, but fame and fortune are a lot more elusive. Ruth gets the attention of playboy publisher Bob Baker when she submits a story about her gorgeous sister Eileen. She tries to keep his attention by convincing him that she and the gorgeous, man-getting Eileen are one and the same person.