A suspicious death at a coastal elementary school draws attention to the frictions among three mothers and their families.
Jane deflects questions from Ziggy; Madeline is outraged over a slight from Renata; Celeste suggests she and Perry see a counselor.
Madeline irks Renata; Celeste succumbs to Perry's charms; Jane opens up to Madeline about her past.
Nathan invites Madeline and Ed to a dinner to discuss Abigail; Celeste backs Madeline's play, despite Perry's concerns; Jane unlocks a key to her past.
Madeline gets encouraging news about the play; Jane is told of the school's decision about Ziggy; Celeste is put on the spot by her therapist.
Madeline worries about Jane's behavior; Jane confronts Renata about a school petition; Bonnie tells Nathan about Abigail's secret project.