All Her Fault is a tense psychological thriller that turns every parent’s worst fear into a chilling mystery. Based on the bestselling novel by Andrea Mara, the Peacock limited series follows a mother whose life unravels after her young son disappears during what was supposed to be a simple playdate. As the search intensifies, buried secrets emerge, trust fractures, and the line between guilt and innocence becomes dangerously blurred.

All Her Fault — Key Facts
- Genre: Psychological thriller / limited series
- Network / Platform: Peacock
- Based On: The novel All Her Fault by Andrea Mara
- Format: Limited series
Premise
When a mother drops her young son off for a playdate at a classmate’s house, the door is answered by a stranger — and the child is gone.
What begins as a terrifying disappearance quickly unravels into a tense psychological mystery, exposing secrets, lies, and dangerous connections within a seemingly safe suburban community.
The series explores parental guilt, trust, social pressure, and how quickly blame can shift when fear takes over.
Main Cast
- Sarah Snook — lead role as the mother at the center of the disappearance
- Dakota Fanning — key supporting role tied to the mystery
- Additional ensemble cast includes detectives, neighbors, and family members connected to the case
Setting / Location
- Set in a quiet suburban neighborhood of Chicago
- The contrast between normal family life and hidden danger is central to the story’s tension
Tone / Style
- Slow-burn psychological suspense
- Emotionally intense and character-driven
- Focuses on paranoia, grief, and moral ambiguity rather than action
Themes
- Parental responsibility and guilt
- The fragility of trust
- Community judgment and hidden secrets
- How quickly “safe spaces” can become threatening
Production Notes
- Adapted closely from the bestselling novel
- Designed as a one-season story with a complete narrative arc
- Emphasizes emotional realism over procedural investigation
Series Status
- Developed and produced as a limited series
- Positioned as a prestige thriller for Peacock’s drama lineup
Sources
- Peacock original series announcements
- Andrea Mara novel publication materials
- Industry casting and production reports
- Entertainment press coverage
- IMDb production listings