On a North Sea island, Berlin psychiatrist Viktor Larenz is trying to escape from the anniversary of his daughter Josy's disappearance. He is found there by the mysterious Anna Spiegel, who seems to know more about Josy's fate. In Berlin, Dr. Martin Roth takes over leadership of the psychiatric department in an exclusive clinic. His methods are questionable and his goals obscure.

Viktor Larenz decides to confront Anna Spiegel and triggers a chain of unfortunate events that ends in tragedy. Roth is under pressure in both his professional and private life, which puts him in danger.