It's Pete's birthday, a day he insists is cursed. Kate struggles to prove that she's still the same young girl she used to be. Meanwhile Jackie and Diane try to return a set of wind chimes. Bert learns where meat comes from.
When Bert loses a tooth and Pete misplaces it, his solution causes big problems with Jackie. Meanwhile, Kate channels her maternal nature and advises Warren during his first study date, and Diane helps Hillary host her first high school sleepover, which leaves Hillary feeling embarrassed.
Pete and Kate decide to renew their vows, but they get more than they bargained for when Kate is found to be living in the country illegally. Jackie and Dianne are in parallel as they struggle to let their relationships go "public".
Pete agrees to let Kate plan a "do over" wedding when she has regrets about their elopement; Diane makes a decision about her relationship; Jackie struggles to tell Bert that she and Sad Steve are dating.
Kate begrudgingly agrees to accompany Jackie to her high school reunion, not fully realizing all that it entails. Meanwhile, Pete and Diane take Hillary and Warren to visit a college campus and Bert is left in the care of Meg and Tevin.