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The series is based on Andrea Mara's 2021 novel of the same name; the book was set in Dublin, Ireland, but the television adaptation relocates the story to an affluent American community, reshaping its social anxieties for a new setting.
Although the story unfolds in the United States, the series was actually filmed in Melbourne, Australia, with the production recreating an upscale American neighborhood far from where the story is set.
Powered by the drawing card of Sarah Snook in her first major series lead since Succession, All Her Fault became one of Peacock's most-watched original launches, racking up tens of millions of hours viewed within its first few weeks.
All Her Fault is a twisty, propulsive Peacock thriller adapted by creator Megan Gallagher from Andrea Mara's 2021 bestselling novel. It opens on a parent's worst nightmare: Marissa Irvine, played by Sarah Snook, arrives to pick up her young son Milo from his first playdate, only to knock on the door and discover that the woman who answers has no idea who she is, the address is wrong, and her little boy is simply gone. From that chilling premise the series spins outward into an eight-episode mystery about motherhood, class, and buried secrets.
As the frantic search consumes Marissa and her husband Peter, played by Jake Lacy, suspicion ripples through their affluent community and the seemingly perfect facades of everyone involved begin to crack. Dakota Fanning co-stars as Jenny, another mother pulled into the crisis, and the ensemble keeps the audience guessing as alliances shift and long-hidden truths surface. The show is structured to weaponize the assumptions viewers instinctively make, repeatedly upending expectations about who is a victim and who is culpable.
Snook, fresh off her Emmy-winning turn in Succession, headlines and executive produces, and critics praised the emotionally grounded performances at the center of the pulpy, page-turning plot. A slick domestic mystery built for bingeing, All Her Fault is streaming on Peacock.
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