Osaka in the early 1600s, aftermath of the historical Battle of Sekigahara; a group of orphan children are wandering through the battlefield scavenging for armour when they encounter a young boy named Sasuke with magical powers he says came from a meteor that crashed onto the Earth…
After their father quarrels with local military men, Anju and Zushio are forced to flee, but they are captured and sold into slavery. When their mother dies, they are sold to Sansho the Bailiff, a cruel man who subjects them to hideous torments. While Anju falls into a lake and is transformed into a swan, Zushio escapes and after being adopted to a nobleman grows to a young man. He will then fight to defeat the evil Dayu and free all the slaves.
