A spiritual epic that refuses to make enlightenment comfortable or clean. Tezuka builds Buddha's awakening on the backs of desperate people trapped in systems they didn't choose, and the promise of transcendence means nothing until it touches the lowest castes first. The film moves between princes and beggars with equal weight, treating a child's hunger and a king's existential crisis as the same kind of suffering. By the time Siddhartha stops running from his privilege, you understand that enlightenment isn't escape from the world's pain, it's the decision to stay and bear witness to it.
Ancient India suffers under drought, hunger, endless war and a harsh caste system that crushes those at the bottom. In the Shakya Kingdom, Queen Maya dreams of a six-tusked white elephant, an omen of the blessed son she will bear, and the prophet Asita predicts the boy will rule the world. Meanwhile a youth named Chapra, trapped by his low caste, joins the army of the rival Kosala kingdom hoping to rise and give his mother a better life. Prince Siddhartha is trained to inherit the throne but cares nothing for combat or government. He longs to understand the truth of the world and the meaning of life, and even as Kosala's power threatens his homeland, he leaves the royal life behind in search of enlightenment. The film is a supernatural drama tracing the start of the path by which he becomes Buddha.