During a pogrom in Poland on the eve of World War I, a group of Jews seek refuge from the Cossacks. The fugitives hide out in a rural inn, terrified that they may be given away at any moment.
Josef visits a dilapidated Sanatorium to see his father. Josef undertakes a strange journey through the many rooms of the sanatorium, each which conjures worlds composed of his memories, dreams and nightmares.
Wanda, the young wife of the famous psychiatry professor Stanislaw Czelawa, has been living a nightmare for a long time - every night she is harassed by a repulsive man, twinned with her husband. Unable to bear it, the desperate woman turns for help to another psychiatrist and hypnotist, Dr. Stocki. Not quite believing her, Stocki puts her under hypnosis. Observing the Czelaw house, the man discovers the truth.
