"Pilgrim" is a novel that weaves together historical fiction with elements of fantasy, telling the story of a man who cannot die. After numerous attempts at taking his own life, the protagonist is admitted to a psychiatric clinic in Zurich, where he comes under the care of Carl Jung, the famous psychoanalyst. Throughout the narrative, the immortal man's past lives unfold, intersecting with key figures and events in history, from Leonardo da Vinci to the First World War. As Jung delves into the man's psyche, the novel explores themes of art, time, love, and the nature of the human soul, questioning the boundaries of reality and the profound longing for mortality and finality.