In an affluent community, a suspicious death at an elementary school fundraiser draws attention to the friction amongst some of the mothers; Madeline and Celeste welcome Jane into their inner circle; battle lines are drawn after an incident.

Hoping to get under Renata's skin, Madeline organizes a trip to compete with Amabella's birthday party. After another argument, Celeste succumbs to Perry's charms before their first session with Dr. Amanda Reisman, a therapist. Madeline gets called for a meeting with Abigail's guidance counselor. Principal Nippal announces the theme for the Fall Gala Fundraiser. Later, Jane seeks Madeline's help with Ziggy's family tree project, and opens up about her past.