A Mother’s Worst Nightmare Unfolds When Her Child Suddenly Goes Missing
2025
Drama, Mystery
8 episodes
TheNextHint Score
8.2
8.2 / 10
Overview
All Her Fault transforms a recognizable parenting scenario into a gripping mystery about a missing child. Sarah Snook takes on the role of Marissa Irvine, a mother whose world is upended in minutes when she learns her young son has vanished following what was meant to be a playdate. Rather than confining the mystery to the kidnapping alone, the series steadily broadens its attention to the families around Milo and the secrets they have concealed from one another. Dakota Fanning, Jake Lacy, Sophia Lillis and Michael Peña make up the main supporting cast, while Megan Gallagher's adaptation sustains momentum through ever-shifting suspicions and revelations. Released as a complete miniseries of eight episodes, All Her Fault is made for viewers who appreciate domestic thrillers in which relationships matter to the mystery just as much as the police investigation.
Quick Verdict
All Her Fault is for viewers who like domestic mysteries, missing-person cases and thrillers packed with twists. Its main appeal lies in pairing Sarah Snook and Dakota Fanning with a narrative that continually shifts how the audience sees the families involved. It is especially effective as a binge-watch since all eight episodes can be streamed.
All Her Fault centers on Marissa Irvine, a prosperous Chicago mother whose everyday afternoon becomes a nightmare when she shows up to collect her five-year-old son, Milo, from his first playdate at a new school.↻ The woman at the door is unaware of who Marissa is and has never heard the name Milo. What at first appears to be a simple kidnapping soon grows far more complex as investigators reveal false identities, concealed relationships, and secrets among the families tied to the case.
Sarah Snook heads the series as Marissa, joined by Jake Lacy as her husband Peter and Dakota Fanning as Jenny Kaminski, another mother drawn deeply into the search. Michael Peña portrays Detective Jim Alcaras, whose investigation steadily uncovers links between the Irvine and Kaminski families. Sophia Lillis plays Carrie Finch, whose identity proves central to the mystery.
The Peacock miniseries is based on Andrea Mara’s bestselling novel, blending a missing-child investigation with domestic drama and psychological suspense. All eight episodes arrived on Peacock on November 6, 2025, letting viewers binge the entire story.
Frequently Asked Questions
What is All Her Fault about?
Marissa Irvine (Sarah Snook) learns her son Milo is not having a playdate at the address she was given, in fact the woman at the house doesn't know where Milo is or even who he is or have any connection to his classmate in this adaptation of Andrea Mara's novel of the same name.
Is All Her Fault based on a true story?
No. The series is a fictional adaptation of Andrea Mara's 2021 novel All Her Fault.
How many episodes does All Her Fault have?
There is one season with eight episodes.
Where can I watch All Her Fault?
In the U.S., it is available on Peacock. In India, it is available through JioHotstar.
Is All Her Fault a limited series?
Yes. It is presented as a limited series/miniseries with one completed eight-episode season.
Story — Spoiler Free
Marissa Irvine expects an ordinary afternoon as she arrives to pick up her five-year-old son from his first playdate, but the woman answering the door claims she has never heard of him.↻ What follows is a missing-child investigation that draws Marissa, her husband Peter, their friends, and several other families into an growing web of suspicion.↻ While Detective Alcaras looks into the case, Marissa and Jenny start to uncover details that alter what they believed they knew about those closest to them
8.2
TheNextHint Score
8.2 / 10
All Her Fault is for viewers who like domestic mysteries, missing-person cases and thrillers packed with twists. Its main appeal lies in pairing Sarah Snook and Dakota Fanning with a narrative that continually shifts how the audience sees the families involved. It is especially effective as a binge-watch since all eight episodes can be streamed.
Rating breakdown
Story
8.0
Acting
9.0
Direction
8.0
Visuals
8.0
Sound
8.0
Entertainment
8.0
External Ratings
Scores from other sources, shown in their own scale. These are not TheNextHint's rating.
Strong performances from Sarah Snook, Dakota Fanning and Sophia Lillis, a fast-moving mystery, several major revelations and an eight-episode structure that makes the series easy to binge.
Cons
The frequent twists and increasingly complicated family secrets can sometimes feel more melodramatic than realistic, particularly as the story approaches its final episodes.
Who Should Watch
Mystery Thriller Fans
Domestic Drama Fans
Binge-Watchers
Book Adaptation Fans
Who Should Skip
Realism-First Viewers
Light Entertainment Fans
Standalone-Episode Fans
Release Date
2025-11-06
Runtime
46–56 minutes per episode
Director
Minkie Spiro, Kate Dennis
Producer
Terry Gould
Writer
Megan Gallagher
Cast
Sarah Snook, Jake Lacy, Dakota Fanning, Sophia Lillis, Michael Peña, Abby Elliott, Jay Ellis, Daniel Monks, Thomas Cocquerel, Duke McCloud, Kartiah Vergara, Johnny Carr, Tayden Jax Ryan, Linda Cropper, Dominic Masterson, Caroline Brazier, Erroll Shand, Laura Brent, Joey Vieira, Orlando Ivanovic.
Music
Jeff Beal
Cinematography
Sergio Delgado, Earle Dresner
Studio
NBCUniversal and Peacock
Distributor
Peacock and NBCUniversal
Production Company
Carnival Films and Universal International Studios
Milo's mother and a successful wealth manager who becomes determined to find her son.
Jake Lacy
as
Peter Irvine
Marissa's husband and a commodities trader.
Dakota Fanning
as
Jenny Kaminski
A fellow mother who becomes one of Marissa's closest allies.
Sophia Lillis
as
Carrie Finch / Josie Murphy
A nanny whose identity becomes central to the kidnapping mystery.
Michael Peña
as
Detective Jim Alcaras
The detective leading the investigation.
Abby Elliott
as
Lia Irvine
Peter's sister, whose past and relationship with the Irvine family become important to the mystery.
Jay Ellis
as
Colin Dobbs
Marissa's friend and business partner.
Daniel Monks
as
Brian Irvine
Peter and Lia's younger brother.
Thomas Cocquerel
as
Richie Kaminski
Richie Kaminski
Seasons & Episodes
Season 1
8 episodes November 6, 2025Completed
Marissa's search for her missing son gradually exposes false identities, hidden relationships and secrets within several connected families, while Detective Alcaras works to unravel the case.
1Episode 1
46 min November 6, 2025
Marissa discovers that Milo is missing after arriving at the wrong house for his supposed playdate.
2Episode 2
51 min November 6, 2025
The family faces public scrutiny while investigators uncover problems surrounding Carrie and the nannies.
3Episode 3
53 min November 6, 2025
A ransom call and a suspicious man from the Chicago Marathon give the investigation new directions.
4Episode 4
52 min November 6, 2025
Detective Alcaras follows the trail to Kyle while a difficult personal decision affects his investigation.
5Episode 5
November 6, 2025
New evidence turns suspicion toward the Irvine family as long-hidden family secrets emerge.
6Episode 6
53 min November 6, 2025
Milo returns, but the investigation reveals another death and Marissa discovers Peter's hidden actions.
7Episode 7
55 min November 6, 2025
The story moves into Carrie's past and explains the events that led to her fixation on Milo.
8Episode 8
56 min November 6, 2025
Marissa learns the truth behind Milo's identity and must decide how to protect her family.
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