Keller Dover is just a regular guy from Boston who goes with his wife Grace and six-year-old daughter Anna to their neighbours' house on what seems like a routine social occasion. No parent blinks an eye when Anna asks if she can take the neighbours' daughter Joy to their house to play, but when there's no sign of them back home later on, panic ensues as the families scour the nearby streets trying to find their precious children. The only clue as to what may have happened to them lies with a banged up RV that had been parked nearby. When young Detective Loki gets involved with the case, he manages to make an arrest on the driver - a seemingly timid and quiet young man called Alex Jones. However, with no solid evidence against him for the cops to keep him in custody in the case for the missing girls, they are forced to release him after 48 hours. Keller, angry with the verdict and fearing for the life of his daughter who he believes is still alive, decides to embark on his own investigation and kidnaps Alex at gunpoint in an attempt to extract information. Though through his panic and frustration in his quest to find his daughter, he may lose himself along the way.

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