Kept locked inside the house by her father, 7-year-old Chloe lives in fear and fascination of the outside world, where Abnormals create a constant threat—or so she believes. When a mysterious stranger offers her a glimpse of what's really happening outside, Chloe soon finds that while the truth isn't so simple, the danger is very real. A bold girl discovers a bizarre, threatening, and mysterious new world beyond her front door after she escapes her father's protective and paranoid control.