For an assignment that requires her to write about her "Most Interesting Relative", Brenda asks her parents for help. Lester suggests his aunt Lucy who was a woman brakeman. After Mary hears about Sandra's supposed relative who was a Moroccan prince, she searches through an old trunk to find information about an interesting relative of hers. What she finds is that she had an uncle, Corporal Mortecai Hurley, who was in the Civil War's 54th Infantry. She persuades Brenda to re-write her paper on Mortecai.

When Mary tries to convince the landlord to order her a new refrigerator, he refuses. Mary then agrees to loan Sandra her apartment for a extravagant party if Sandra will "persuade" the landlord to get Mary a new refrigerator.

When their church loses their land lease, the tenants must find another lot to place their church on. They enlist Lester's company's help to move the church to its new spot. Everything is ok, until the church comes up missing. Everyone is worried because they will have no place to have their Christmas pageant. They decide to build a large manger on the empty lot to hold the service. They later find out that the church was placed at the wrong lot.

Sandra begins dating a basketball player who rubs Mary the wrong way from their first meeting. He comes across as rude and arrogant. Calvin idolizes him and mimics his attitude. Brenda doesn't like hanging around the ""new"" Calvin. When Calvin hears how the Rocketman talks to Sandra in an argument, and hears the Rocketman call him ""some dumb kid,"" he changes his opinion of Rocketman and realizes that he was acting like a jerk.

Mary and Sandra become contestants on ""Wheel of Fortune"" and wind up competing against each other.

After Sandra sees her neighbors (a married couple) interact with each other and with their daughter, Sandra decides that she wants a husband and a child. She goes out on a series of dates which end in disaster becasue of Sandra's openness about wanting to be married and have a child.

She finally decides that since she can't find a suitable husband that she'll just get artificially insiminated. Mary and Rose try talk her out of it. But nothing is more of a rude awakening than when Sandra witnesses Cathy going into labor and she sees how Jim was there for her every step of the way. Then Mary and Lester talk about the night Brenda was born and how they really needed each other then.

Sandra changes her mind and decides that when she does have a baby she would like to be married so she can have a husband that loves her and loves their child.

Mary and Lester go to a toy store to purchase toys for kids in the hospital. When they get there, the guy lets them in even though the sign on the door says closed. The Jenkins discover that he is attempting to rob the place.

Pee Wee Herman comes into the store to purchase some things, so he is taken ""hostage"" along with Mary and Lester. Later on, Sandra comes and she is also escorted to the back of the store. The entire gang is tied up. They think of ways to escape.

Their plan for Sandra to entice the robber changes courses a little when Pee Wee actually saves the day by throwing bubbles into his eyes.

When Lester goes to watch the game at a friend's house, Mary and the ladies decide to have a girl's night out. They go to a club/bar where Pearl meets man. They hit it off.

When Pearl comes home, she tells Mary that she and Felix are engaged. Mary seems to be the only one concerned about it, while Rose and Sandra want to throw her a bridal shower. Mary thinks that he is after Pearl's money. Pearl doesn't care what Mary thinks, and she and Felix get married any way.

When she returns from her honeymoon, Mary apoligizes, but Pearl has bad news. Felix passed away. She admits to Mary that they knew that he was dying. Because she loved him and didn't want him to be lonely, they married so soon.