Manhattan journalist McKenna Jordan is chasing the story of an unidentified woman who heroically pulled a teenaged boy from the subway tracks. When she locates a video that captures part of the incident, she thinks she has an edge on the competition scrambling to identify the mystery heroine, but is shocked to discover that the woman in the video bears a strong resemblance to Susan Hauptmann, a close friend who disappeared without a trace a decade earlier.

What would have been a short-lived metro story sends McKenna on a dangerous search for the missing woman — a search that will force her to unearth long-buried truths much closer to home…