She is beautiful, unconscious and no-one knows who she is or where she has come from. Her doctor, Sam Marek, investigates a mystery which is not just a medical one. Marek's relationship with his patient and her history deepens. Under the watchful eye of his boss, celebrity psychiatrist Simon Thame, Marek tries to grapple with the conflict between his own desires and his professional duties. Solving the mystery of the coma woman's identity comes at a cost for all those involved. This is a patient that no doctor would ever wish to have.