In 1940s New York, a white widow who dreams of being on Broadway has a chance encounter with a black single mother, who becomes her maid.

Alvah, a young GI who happens to own a vineyard, elopes to Las Vegas with Lee, his housekeeper's daughter. But Alvah's chicken pox postpone the wedding night. The rest revolves around more delays to the consummation, caused by Lee's manipulative Mama and the flock of mostly obnoxious relatives with whom she's filled the house.

The naive Evelyn Warren, elected school teacher of the year by Time Magazine, goes to Las Vegas, where she loses a lot of money. In order to pay her debts, casino manager Matt Braddock asks her to take care of his sad little daughter Diana.