In the Sengoku period of Japan, a young orphan named Kotarou and his dog Tobimaru steal from unsuspecting villagers in order to make ends meet. However, Kotarou is forced to remain on the run when he finds himself being hunted down by assassins sent by China's Ming Dynasty for mysterious reasons not involving his petty crimes. Fortunately, the duo run into Nanashi, a ronin who has taken refuge in a small temple, when...