Before the story to reach the public, Dr Toby Green is sent to investigate the mysterious disappearance of his colleague in a hospital that had recently been involved in a scandal. Convinced that Michael, a patient with serious mental problems, conceal information about colleague missing, Green is determined to find the truth. In addition, he is in no hurry to return home, where she has a very complicated life, so it has time to carefully consider all the details. Ignoring the advice nurse Susan Peterson, who knew him best Michael Green decides to controlling the situation and the patient. As Michael confirms superior intelligence and manipulative nature which Green had been warned, it becomes increasingly unclear which of the two patient or doctor, dominant, in fact, in this psychological duel.