Dr Ruth Hartland is the director of a highly respected trauma therapy unit. She is confident, capable and excellent at her job. But she is finding it hard to maintain.
Increasingly preoccupied by her son Tom's disappearance, Ruth is shaken when a new patient arrives at the unit - a young man who looks shockingly like him.
As a therapist, she knows exactly what she should do. But as a mother she makes a very different choice - a decision that will have profound consequences.