Konstanty, a psychiatrist in a hospital, discovers that the personal data and medical history of one of the patients disappeared. The man doesn’t communicate with the environment and doesn’t react on the attempts to contact him. Against the official statement of the hospital, the doctor decides to take up a therapy aimed at restoring the memory and identity of the man. At the same time, he starts his own investigation to clear out who closed the man in a psychiatric hospital and why his documentation is missing.