On a Thursday afternoon, Kat Serrano leaves work early, briefly returns to her remote trailer deep in Michigan's Upper Peninsula woods, and drives off with no explanation to her family. Two days later someone ransacks the trailer. Kat is a Dreamer, and her mother won't talk to the police for fear she'll be deported and lose her 8-year-old granddaughter, Valeria. Valeria is devastated by the events. She and her best friend...