The story begins one hot summer's day when Leanne Wellings (Christine Tremarco) is taking her two young children to visit her grandfather. She stops to buy flowers at a motorway layby, but then inexplicably vanishes, leaving her two small children waiting for her in her car, lost and far from home. Her two small children then set off to find her, only to go missing as well. Their ordeal is captured on CCTV cameras, and before long, the family's heart-stopping trauma is not only a complex police investigation, but a major national news story.
Nothing is what it seems...
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Did You Know?
A few scenes, including the ending, were re-shot for the U.S. release. See more
In the scene where Hugh Bonneville checks out the VW transporter van, the production office vehicle and livery, plus the silver Mercedes sound van and sound engineer are clearly visible. See more