Twelve-year-old New Jersey girl Autumn Pasquale loves her new BMX bike, and connects with fellow fans online for tips and tricks to deck it out. But on Homecoming Day in 2012, Pasquale – and her beloved new bike – go missing. The small town of Clayton launches an enormous search party, but with no sign of Pasquale, they start to fear the worst. A trail is left behind on Facebook, but where will it lead?