After discussing how to handle change, Carrie is challenged to be "sexually" open on Che's podcast, Miranda has a disastrous first day of school, and Charlotte tries to impress a fellow mom. And then - another big change no one saw coming.

Miranda and Charlotte come to Carrie's aid, proving what good friends are for. Anthony and Stanford vow to let go of petty arguments.

Carrie learns of a surprising development involving Big's ex. Charlotte worries about how to handle a daughter's revelation. Miranda ponders the state of her marriage.

Looking to move forward, Carrie meets with self-made real estate broker Seema Patel. Meanwhile, Charlotte plans a high-stakes dinner party for LTW as Miranda and Nya connect over the frank realities of motherhood.

As Carrie recuperates from hip surgery, Charlotte learns surprising news about her daughter, and Che's words help Miranda face some truths about her life.

Carrie's giant leap for her future self helps her embrace the past, while Miranda makes a confession to a shocked Charlotte.

Carrie's publisher tasks her with injecting some hope into her new book, Miranda attempts to rekindle a spark with Steve, and Charlotte bristles when Harry imposes on her sacred space: tennis.

After coming clean to Che, Miranda is spurred toward making a life-altering decision. Carrie attempts to learn more about her mysterious 20-something neighbour. Charlotte's efforts to be more open with her kids about sex get derailed.

Carrie questions whether she's ready to take another step toward letting go. Charlotte boasts that she's finally finished menopause. Miranda's spontaneity backfires.

Charlotte plans the ultimate rite of passage for Rock. Che throws Miranda for a loop. Carrie finds closure.