Part 1
Toki's past is explained, as he was originally going to be the successor to Hokuto Shinken instead of Kenshiro.

Part 2
Toki and Sara go on a journey together to heal sick people, but Raoh has a plan to put him in Cassandra prison.

Part 3
Toki decides to take drastic measures just so he will be able to fight his brother, Raoh.

Part 4
The final battle between Toki and Raoh takes place.