Goliath, a middle-aged teacher with a closed mind for a long time, inadvertently found the essay "text Alchemist" by Portuguese writer Prado in a bookstore. Attracted by the philosophical words in the book, he resolutely left his life in an orderly manner. embark on a journey to explore the soul and find the ultimate answer to life. In Lisbon, Gregory visited Prado's life, step by step to reconstruct the image of the extraordinary doctor and talented writer, and uncover a hidden darkness of the Portuguese dictatorship. As he approached Prado step by step, Gregory examined himself and regained the rhythm and meaning of life.