Van and Cheyenne's graduation day is rapidly approaching - along with Cheyenne's due date - and Mrs. Hodge stops by Reba's house to let Cheyenne know that it would be better that she not attend the ceremony. However, Cheyenne and Reba see behind the principle's reasoning and insist that Cheyenne be able to walk across the stage. Naturally, when the day comes Cheyenne goes into labor and has to be rushed to the hospital.

After Brock inadvertently forgets to go Jake's soccer game where he scores his first goal, he promises to help build a treehouse with him to make up for breaking a promise to him. However, plans change again, resulting in Reba and Van helping Jake out instead. Later, as Brock and Jake spend the afternoon together in the finished treehouse, Brock tells his son that he will do better to find time to spend with him now that Henry has been born.

When Van and Cheyenne are nominated Prom king and queen, he's a shoo-in to win, Cheyenne, not so much because of her pregnancy. As a result, Van goes about to stack the deck in Cheyenne's favor. When the results are announced, the runner up to Cheyenne lets her know the reason why she won was due to Van.

When Brock tells Reba that a recruiter from USC is planning on stopping by to talk to Van, she convinces Brock to take his annual fishing trip a little early to keep him from trying to sway Van to picking an out of state college. Meanwhile, while the recruiter is in town, Cheyenne has a false alarm, and everyone rushes her to the hospital. However, before leaving, Barbara Jean's water breaks and Reba frantically volunteers to go get Brock before the baby arrives.

When Reba throws Cheyenne a baby shower, she and Brock disagree over giving she and Van a car as a present. Reba then has second thoughts about her stance when she's stuck helping Van with his new job to pay for the car.

As Brock and Barbara Jean's wedding day rapidly approaches, it's almost called off unless Reba gives the happy couple her blessing. Cheyenne and Kyra turn to Reba for help in taming how wild their bridesmaid dresses are that Barbara Jean selected for them.

When Reba goes out to lunch with a friend to celebrate her upcoming divorce with a friend, she discovers her credit card is declined. Upon investigating, she learns that Brock is letting Barbara Jean use the same card as Reba uses and ran up a lot of debt for their upcoming wedding. Meanwhile, Cheyenne and Van discover Kyra skipped school and decided to use that bit of information to blackmail her to do chores around the house.

When Reba's friend Lori Ann returns to Houston, they come across an old picture that seems to point to Brock and Barbara Jean starting their affair earlier than when they told Reba. After confronting each of them separately about it, Reba starts to feel guilty about how she reacted to it and ultimately finds a way to apologize.

After Van flunks a big History test, he begins to question his future playing football. Kyra decides to learn how to play the tuba after developing a crush on classmate in the band.

After Reba calls a plumber to help fix the sink in the kitchen, Brock gets jealous when he drops by and sees how attractive he is and witnesses him flirt with Reba. Meanwhile, Van doesn't like it when Cheyenne goes out with her friends.

After Van is selected player of the week on his football team, he talks Reba into hosting and preparing the traditional pre-game dinner before the upcoming football game. When Cheyenne accidentally serves the wrong potato salad to the team, Van and they guys are certain they're going to lose. Fearing that Cheyenne will face ridicule, Reba finds a way to save the day.

When Cheyenne starts having morning sickness, she doesn't get any sympathy from Van, thanks to a conversation he had with Brock. Meanwhile, thanks to Cheyenne's pregnancy, a neighborhood mom won't let her son have a sleepover at Jake's house, ultimately making Reba mad when she finds out the reason why.

Reba is less than thrilled to discover that Cheyenne's obstetrician will also be delivering Brock and Barbra Jean's baby. Meanwhile, everyone is trying to adjust with Van moving into the house following he and Cheyenne's wedding.

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Reba takes a stand when a pregnant Cheyenne is kicked out of high school but Van is allowed to stay to help the football team make the championships.

Reba discovers that her husband is leaving her for his pregnant girlfriend and that her 17-year-old daughter is pregnant as well.