England, 1705: Framed for murder and on the run with her sisters, Nell Jackson turns her hand to highway robbery to survive. Aided by her superpowered sidekick, a plucky little sprite called Billy Blind, Nell realizes that fate has put her on the wrong side of the law for a reason. A reason much bigger than she could have ever imagined: to defeat a magical plot against the Queen of England.

A ragtag crew of teens must survive a summer of terror after downloading an app that makes dangerous demands with deadly consequences.