Suffering from acute kidney failure, Uncle Boonmee, who lives in a house on a farm with his sister-in-law Jen and his nephew Tong has chosen to spend his final days surrounded by his loved ones in the countryside. Surprisingly Huay, the ghost of his deceased wife appears to care for him, and his long lost son returns home in a non-human form. Contemplating the reasons for his illness, he treks through the jungle with his family to a mysterious hilltop cave - the birthplace of his first life.