Celeste questions Mary Louise about a tragic event from Perry’s childhood. Madeline worries their lie is tearing the Monterey Five apart.
Renata deals with the fallout from Gordon's legal troubles and attempts to help Celeste. Bonnie relives painful memories from her past.
Mary Louise tries to get closer to Jane. Renata focuses her wrath on Principal Nippal. Madeline is forced to confront her issues at a couples therapy session with Dr. Reisman. Celeste remains conflicted by her memories of Perry.
Following first-day-of-school events, Madeline is worried by Bonnie's behavior. Mary Louise, Celeste's mother-in-law, offers her unvarnished assessment of Madeline's character. Jane learns from her new coworker, Corey, that she's known in town as one of the “Monterey Five.”