Boonmee叔叔得了急性肾功能不全，他决定到乡下家人身边度过残生。奇怪的是，他亡妻与失踪儿子的鬼魂出现了，并开始保护他。Boonmee希望找到得病的原因，于是和家人穿越森林，一直找到山丘顶的一个洞窟——那里是他第一世出生的地方…… Suffering from acute kidney failure, Uncle Boonmee has chosen to spend his final days surrounded by his loved ones in the countryside. Surprisingly, 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, Boonmee treks through the jungle with his family to a mysterious hilltop cave -- the birthplace of his first life...