Breaking Down the Devastating Ending of All Her Fault

Warning: This post contains spoilers for All Her Fault.

Years of hidden truths unravel as Carrie Finch (Sophia Lillis) shakily points a gun at the Irvine family in the series finale of All Her Fault. Throughout eight episodes, the show reveals how love can turn into possession and the extreme lengths a parent will go to protect their child.

The finale doesn’t just reveal what happened to Milo Irvine (Duke McCloud) after his mother Marissa Irvine (Sarah Snook) arrives to pick him up from a playdate only to discover he has vanished; it also uncovers the crime that made his disappearance seem unavoidable and questions what justice means when the threat comes from someone close.

Series Overview

The Peacock limited series follows the impact of Milo’s disappearance on the affluent Irvine family in Chicago, focusing on Marissa’s desperate search for her son. Based on Andrea Mara’s novel, the show starts as a domestic thriller and deepens into an exploration of truth, control, and parental protection.

“It just feels so immediate,” says executive producer Nigel Marchant. “You’re completely thrown in with this premise—it’s any parent’s worst nightmare.”

Key Plot Points

The story begins on a quiet Chicago afternoon when Marissa goes to pick up Milo from Jenny Kaminski’s (Dakota Fanning) house, only to find he is missing.
Jenny insists she never arranged the visit.
The series examines how buried secrets come to light and challenges the idea of protection within a family.

Themes Explored

Parental love turning into control and possession
The moral complexity of justice when the abuser is within the family
The delicate balance of truth and deception in family dynamics

Author's summary: The series finale of All Her Fault reveals the sinister secrets behind Milo Irvine’s disappearance, exposing the dark realities of protection, control, and the limits of parental love.

Time Magazine — 2025-11-06