The episode, which aired on October 1, 1956, features Lucy Ricardo (Lucille Ball) and her best friend, Ethel Mertz (Vivian Vance), driving to Los Angeles to attend a movie premiere. While in L.A., Lucy becomes convinced that her husband, Ricky (Desi Arnaz), is having an affair with a beautiful woman named Cora, who bears a striking resemblance to Lucy.
