Lucy doesn't want to be left home when Ricky goes on tour, so she tries to convince him that she is a talented saxophone player. When that doesn't work, she tries to make him so jealous that he won't leave her by herself.
For their anniversary, Ricky secretly tries to buy some pearls for Lucy through a neighbor lady who works at a jewelry store. Lucy finds out just enough to think there's something going on between them.
Lucy convinces Ethel that both of their marriages are in a rut. They decide to take some time away from their spouses. Lucy moves in with Ethel and Fred moves in with Ricky. By Saturday night they all get bored and both attempt to check the activity of the other pair at the same time. Lucy and Ethel almost get caught spying and end up getting locked on the roof in their night clothes.
The Ricardos buy the Mertzes a television set for their 25th wedding anniversary. When Ricky accidentally breaks it, Fred breaks the Ricardo's TV and both couples end up suing each other.
When Ricky gets upset about Lucy constantly changing her mind and never finishing anything, he tells her she has to finished everything she starts. When she finds an old, incomplete love letter to a former boyfriend, she decides to finish it.
Lucy has a difficult night with Little Ricky crying constantly. A neighbor, Mrs Trumbull complains and says the lease does not allow children. Ethel says the lease does not matter because the Ricardos can stay.
Ricky plans a Native American show at the club and needs to find a few Native Americans. Lucy, Fred and Ethel want to be part of it. Ricky hires Fred and Ethel but not Lucy, so Lucy has to resort to trickery to be its inclusion.
The Ricardos sell their old washing machine to the Mertzes after they buy a new one. It's the Ricardos vs. the Mertzes when it breaks down before the Mertzes pay for it.