When the kids tease him about getting old, Michael pretends to have hurt his back in a game of Twister so they will have to cater to his every whim.

Michael and Janet's 15th anniversary is approaching. Jay's friend Wanda brings her Brian McKnight's tickets (a concert Jay was really looking forward to see), but unfortunately she has to turn it down because it's on the same night as their anniversary.

The anniversary day finally comes and Michael goes out to play golf, leaving Jay devastated at home. Later, she goes out for drinks with her girlfriend Wanda, who insists Jay should confront Michael. Michael pulls off a lavish ceremony for the renewal of their vows. Guest stars Brian McKnight.

Michael and Janet try to spice up their date nights by taking samba lessons, but their instructors arouse jealousy.

Michael's sister Kelly is coming over for the weekend, which freaks Jay out because every time Kelly comes over she overstays her welcome and always gets on Jay's nerves. This time is no different and it sparks a rivalry.

Jay decides to attend a ""Open Your Heart"" seminar for struggling couples, even though she and Michael are happier than ever. Her excuse is ""prevention"", but Michael warns her not to try fixing something that isn't broken. At the seminar, they are teased against each other and stop talking to one another. It takes Kady suffering an accident at school for them to realize how important communication between them really is. Meanwhile, Michael wants his children to learn the value of money and tells Jr. to start his own business selling monkeyfish like he. Jr., instead of the monkeyfish, decides to get 100% refunds on the clothes Claire buys with a 40% discount at the store she's working. When Jr. gets caught, Claire gets fired and Michael punishes him by making he wear the clothes he wanted refund.

Jay gets mad at Michael after finding a photo of an attractive former girlfriend among his things. Franklin has trouble admitting that his little sister Aretha is an outstanding singer.

Jay decides to go to college and get her psychology degree, which Michael fully reprehends her for. He doesn't want her to put the household in second because it would jeopardize the entire family and eventually could ruin their marriage. After going to a real psychologist, Michael and Jay come to terms and she agrees to scale back her classes as he decides to let her pursue her dream. Meanwhile, Junior's friends turn his old crib into some sort of vehicle.

Vanessa's parents come over the Kyles house to discuss the future baby's situation. Michael is outraged with the demands from the Scotts, but Calvin's size makes Michael think twice before taking any drastic measures. They take the Scotts out for dinner and are left with the bill. Realizing they have a couple of con artists on their hands, Michael and Jay stand up for themselves and set the baby's true needs – which don't include a new house for the Scotts as Calvin wanted.

Michael feels neglected because Jay is spending all of her time studying for her psychology final. He decides to tutor her, but his efforts cause her to fail. To make it up to her, he tries to bribe her professor to let her re-take the test. Meanwhile, when Kady thinks Franklin prefers her smart friend over her, she tries to act more ""brainy.""

The same day Michael realizes he can't fit into his favorite pair of vintage jeans, he runs into an old high school friend, the muscular Daryl (Terry Crews), who doesn't look any older than when Michael last saw him. He enlists Darryl's help to get him back into shape and, in the process, becomes obsessed with looking fit and buff. Meanwhile, Franklin fails his first test and fears that Kady will no longer accept him.

When Jr. wins a national competition for his cartoon entitled ""My Wife and Kid"" -- based on himself, Vanessa, the baby and the rest of the Kyle family -- it catches the attention of ABC. Michael becomes Jr.'s agent, but the meeting with the television executives goes badly, crushing Jr.'s dream opportunity, so now Michael has to find a way to rectify the situation. Meanwhile, Claire threatens to break up with Tony unless he can bring some ""umph"" into their relationship.