Sarah misses a call from her daughter Katie in France. When Katie then stops answering messages, Sarah's concern turns to alarm, and she flies to Saint-Michel. But it is a town reluctant to answer questions...
As new suspects emerge and secrets surface, Sarah uncovers a new unsettling detail about the night Katie vanished. And a violent confrontation erupts, dramatically changing the course of the investigation.
As suspicion spreads through Saint-Michel and the list of possible suspects grows, Lieutenant Virginie begins to suspect that the truth about both disappearances may lie closer to home than anyone expected.
With time running out, and the investigation reaching a critical turning point, Virginie follows a final lead that could reveal what really happened in Saint-Michel, and who has been hiding the truth all along.