Katie plans the spring gala her way, despite pressure from Oliver, Greg and Tara. Meanwhile, Oliver is emasculated by his ex-girlfriend, so Greg attempts to teach him how to man up by throwing a successful barbecue.
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.