Uncle Claude comes to the Ardmore Beach Hotel to see Tommy and his wife. At the hotel, with his two granddaughters Ruth and Sally, Uncle Claude meets a wise talking employee named Letty, which causes him to leave the hotel. When he finds Tommy, he mistakes Grace for his wife and likes her and the way she keeps a clean house. To get a big check from Uncle Claude and to see how life is with the other, the two couples switch spouses for a week.

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