A lice infestation occurs in the Otto household thanks to Anna-Kate, and Katie uses this as an excuse to bond with Taylor. Meanwhile, Greg and Oliver camp in the backyard, but Oliver keeps ditching their campout to hang with their sleazy new neighbor.
Taylor dyes her hair blonde without Katie's permission. Meanwhile, Anna-Kat decides she's now a vegetarian; and Greg and Katie help Oliver come to terms with embarrassment after Oliver has a humiliating moment in ballet class.
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.
In the second-season opener, Katie must mend fences with the Westport moms by volunteering to run the school's spring gala. Meanwhile, Katie confronts Oliver's belittling ballet teacher; and Taylor and Greg disagree about the necessity of college.