Anna-Kat runs for the Green Chair position in the school election against Chloe Brown Mueller's daughter, which results in Katie and Chloe turning their kids' election into a feud of their own. Meanwhile, Greg becomes concerned that Taylor's new friend Pierce is trying to steal her away from Trip, causing Greg to intervene and scheme to prevent it.
Katie Otto, a confident, unapologetic wife and mother of three, raises her flawed family in the wealthy town of Westport, Connecticut, filled with "perfect" mommies and their "perfect" offspring. Katie's perfectly imperfect world is upended when her neighbor's decision to move notches her up from her ideal social standing and sets her on a path to ensure that doesn't happen, regardless of the consequences. She lets us in on her deepest, most unfiltered thoughts through voiceover as the she lives her life as the second fattest housewife in Westport.