Sue prepares for her graduation and worries the day won’t go perfectly. Meanwhile, Brick gets the opportunity to skip a year in school and Axl grows concerned about Devin’s fun summer pictures she posted on social media.
Mike’s incompetence threatens to ruin Frankie’s Mother’s Day. Mike tells Axl, Sue, and Brick to put some effort into a gift for Frankie. Frankie asks the kids how they would differ from her as parents.
Frankie and Mike struggle to stay awake when watching a movie during a cozy date night at home. Meanwhile, a handsome mall employee asks Sue to her senior prom and Axl and Brick hope to find success with a barbecue sauce they’ve created.
When Frankie’s uncle contacts her dad hoping to make amends, Frankie and Mike are caught in the middle of their feud; Sue turns to Axl for advice when she is sent to detention for the first time.
A case of disrespect hits the Heck boys when Axl — who is celebrating his milestone 21st birthday — refuses to come home and help Mike move an old freezer, and Brick begins turning into a mini-Axl by dissing Frankie with a bad attitude. Meanwhile, Sue is torn over what to do when the manager of Chop Suey USA tries to woo her away from her job at Spudsy’s.
Sue gets furious with Axl for forgetting a sombrero he promised to bring her, and Frankie’s attempt to resolve their quarrel only makes things worse. Elsewhere, Mike is astonished to discover that Brick was named Athlete of the Month at middle school.
Frankie accompanies Brick on a school field trip and attempts to help her socially inept son make friends with a couple of boys. Devin scolds Axl for being mean to his sister. Mike gets a sinking feeling that he may have bullied his brother Rusty a bit too much as kids.
Frankie nervously waits to see if Sue got into any of the many colleges she applied too.
Frankie fears that her innocent flirtation with Axl’s friend has been misinterpreted, and Frankie’s dad, Tag, secretly asks Mike to help him study for his driver’s test so that he doesn’t lose his license.
Frankie realizes that she and the family forgot to celebrate Brick’s 13th birthday.