When Viv proclaims her husband Alan has cut off her credit cards, Katie suggests she stand up to him, despite Greg's advice that she stay out of other people's marriages. The result is that Viv leaves Alan and moves in with the Ottos. Meanwhile, Greg tries to find a way to discipline Oliver and Taylor for constantly leaving cupboards and drawers open.
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.