The Amazon jungle. The village of Yanashi is flooded every year by the Amazon basin waters. The locals live their lives either ashore or afloat, depending on the season, surrounded by their ancestors’ spirits and beliefs handed down through generations. These are the surroundings of Amaury, who leaves a theological seminary for the summer holidays and is not in contact. Rafal the Missionary sets off from Iquitos to learn what has happened to his mentee.