Francis, a young man, remembers in his memory the horrible experiences he and his fiancée Jane recently went thru. It is the yearly truthful in Holstenwall. Francis and his friend Alan visit The Cabinet of Dr. Caligari, an exhibit where the mysterious medical doctor shows the somnambulist Cesare, and awakens him for some moments from his demise-like sleep. When Alan asks Cesare about his future, Cesare solutions that he'll die earlier than sunrise. The subsequent morning Alan is located dead. Francis suspects Cesare of being the murderer, and begins spying on him and Dr. Caligari.