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The friendship between Lucy (Lucille Ball) and Ethel (Vivian Vance) becomes strained when both vie for the attentions of Lucy's new Connecticut neighbor Betty Ramsey (Mary Jane Croft). However, it looks as though everything will turn out all right when, listening in on the newly installed intercom between the Ricardos and the Mertzes, Lucy and Ricky (Desi Arnaz) jump to the conclusion that Fred (William Frawley) and Ethel are planning a housewarming for them. Only one problem: Fred and Ethel have planned nothing of the kind, and as the episode hastens to its climax, it appears as though the Ricardos are all dressed up with nowhere to go.