Lucy and Larry, after many years of marriage, get convinced wrongly that they have both cheated on the other and decide to get a divorce. The divorce, complicated because of the problem of the custody of Mr. Smith, the fox terrier dog of the couple, is to become final in 90 days, but Larry is still jealous of his wife. After having come to blows with Armand Duvalle, an "innocent" singing teacher, Larry has to face the attacks of the rich and dull Daniel Leeson. A Hollywood masterpiece comedy of the 1930s.