Stephanie Harker is travelling through O'Hare airport with five-year-old Jimmy when she is stopped at a security checkpoint. Outside, Jimmy is led away by a uniformed officer. Stephanie's panic leads security to believe she is a threat, while the child disappears into the distance. When Stephanie has a chance to tell her story, family secrets emerge that lie at the heart of a tale of death, deception and the extraordinary lengths to which a parent will go to protect their child.