After reining in some renegade police officers, Kenshin is recognized as the Samurai whose bravery helped establish the Meiji Era and is asked to rejoin the army.

After surviving a fall into a volcano, the Peace Force comes across an injured Sanada Ninja who offers to help battle his former allies.

As Kenshin learns of a battle between the Wind and Water families for control of the Ki, efforts to build a railroad are exposed as a Water clan plot to control Japan.