The Koutetsu Jou arrives in ravaged Unato. After fighting off the Unato kabane, Ikoma notices something peculiar about their attack patterns.
Ikoma is temporarily confined after his violent kabaneri instincts take over. Without him, Mumei joins a team inspecting a possible kabane stronghold.
The alliance's mission ends in retreat but the fight continues. At the Castle, Ikoma and Mumei learn the truth about the force controlling the kabane.