What would you do to protect your child? Keller Dover is faced with every parent's worst nightmare. His six-year-old daughter Anna has gone missing with her friend Joy. As the hours pass, panic escalates. The only clue is a dilapidated RV that was parked on the streets long ago. Detective Loki, who is leading the investigation, arrests the driver, Alex Jones, but is forced to release the suspect due to lack of evidence. Knowing that his child's life is in danger, a frantic Dover realizes he has no choice but to take matters into his own hands. The desperate father will do anything to find the girls. However, in doing so, he risks losing himself and grapples with the question: When do you cross the line between seeking justice and becoming guilty?