Higan learns that a string of recent murder victims were all former ninjas who had their covers blown. Higan goes after the boss ninja and swears to take revenge for his dead wife and son by crushing the organization.

Yamaji addresses questions from one of his lieutenants regarding Higan's survival. Meanwhile, Mike joins forces with Higan and Emma to launch their own independent investigation into AUZA.

A mysterious benefactor warns Higan that it's impossible for him to infiltrate AUZA City without any help. Meanwhile, Mike and Emma walk away from the accident with light injuries and relaunch their investigation into AUZA and the ninjas.

Aska rescues Higan from certain doom and her true identity is unveiled. Meanwhile, Mike learns that he is now wanted by his own agency, the FBI.

As Higan and Lil engage in combat, Higan achieves complete synchronization with his Gusoku Gear, known as "Kamui." Afterward, Yamaji finally orders Zai to eliminate Higan.

The CEO of AUZA dreams of taking total control of the country's energy infrastructure using Yamaji's ninja organization. Emma makes it her personal goal to stop them with Higan's help. Meanwhile, Jason and Mike are still on the run.

Dilly adheres to her original orders and protects Joseph by choosing to fight Yamaji. Higan has a surprise visitor who begs him to put an end to the contradictions of the ninja clan. Meanwhile, Mike has been captured at the FBI offices.