Marlon decides to talk to Zack's classmates about non-traditional careers; his speech backfires and Marlon must reinforce that school is important.

Marlon and Stevie see Yvette's fiancé, Demetrius, cheating on her and they disagree whether or not they should tell her. Marlon refuses, claiming they can't break the "man code." Ashley deals with Yvette's new relationship by turning to numerous hobbies. Yvette discovers what is going on and breaks up with Demetrius after he and Marlon get into a fight at her engagement party.

Marlon decides to buy the house he has been renting since the separation. While prepping for the sale Marlon and Ashley decide that they no longer have to follow the politics of marriage and tell white lies to keep each other happy. They can be totally honest with each other.. "Keep It 100." Yvette and Stevie get involved and the plan eventually backfires when they realize you can be too honest. They all agree to keep it a balmy "77" with a slight breeze.

Marlon and Ashley go to see strong-willed relationship therapist Kamala to help stabilize their rocky divorce. When Marlon exposes Kamala as a fraud, he ends up experiencing a breakthrough and realizes he should try and change his ways. Stevie gives Yvette an intense massage.

Marlon decides to throw himself a funeral party after attending his barber's funeral; everyone speaks at Marlon's party, talking about the insensitive jokes he made at their expense; Marlon worries that he is too harsh on everyone.

Marlon and Ashley have very different ways of coping when Zack needs surgery.

Ashley is shocked to learn that Marlon has a storage unit crammed full of things from when they were married and challenges him to have a yard sale to part with it all.

Exes Marlon and Ashley try a friendly divorce for their children's sake, but things get tricky when Ashley decides to date again. In other events, Marlon struggles to keep a sponsor for his online channel, “The Marlon Way.”

Feeling that Marley and Zack don't appreciate everything they have, Marlon teaches them a lesson by recreating the projects from his childhood.

Marlon is stunned to learn that Ashley is treating herself to breast augmentation surgery for her birthday, her first since their divorce. In other events, Stevie tries to guess Yvette's age.