How to Watch Sarah Snook & Dakota Fanning's All Her Fault, Based on the Thrilling Book

How to Watch Sarah Snook & Dakota Fanning's All Her Fault

Discover how to watch Peacock's new eight-episode miniseries All Her Fault, starring Sarah Snook as a distressed mother searching for her missing son. This gripping kidnapping drama is based on the bestselling 2021 novel by Irish author Andrea Mara.

Plot Overview

The series follows the mystery surrounding five-year-old Milo Irvine, who seemingly disappears without a trace. Sarah Snook plays Marissa Irvine, Milo's mother, who panics after arriving to pick her son up from a playdate only to find he is nowhere to be found.

Adding to the confusion, the older woman living in the house where the playdate was supposed to happen denies ever seeing Milo or knowing about the child Milo was to meet.

"The time has come to find out what happened to Milo Irvine in Peacock's All Her Fault."

Key Characters

Marissa Irvine (Sarah Snook) – The panicked mother searching for her son.
Jenny (Dakota Fanning) – Jacob's mother, who insists she never planned a playdate between Jacob and Milo.
Peter Irvine (Jake Lacy) – Marissa’s husband, involved in the search for their missing son.
Jacob – The boy Milo was supposed to play with, but who is actually at a different playdate.

Mystery Deepens

Complicating matters, the phone number that texted Marissa the playdate address is now disconnected, leaving Marissa, her husband, the community, and law enforcement struggling to unravel the truth.

"The number that texted Marissa the address is now disconnected, leaving Marissa, her husband Peter Irvine, the community, and the police baffled."

Related Information

For more on the series, you can explore the cast and characters featured in All Her Fault.

All Her Fault is streaming exclusively on Peacock.

Author’s Summary

This tense miniseries delves into the haunting disappearance of a young boy, capturing the unraveling mystery through the eyes of his desperate mother, played by Sarah Snook.

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NBC — 2025-11-06