After his family was brutally attacked by a gang of masked assailants, Joe Logan is approached by FBI agents Mike and Emma to help investigate the murder of his wife and son.

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.

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.

Emma and Jason combine their efforts to launch a hacking attack on AUZA which results in them obtaining top-secret information. Meanwhile, Mike and Higan fend off a squadron of mercenaries sent by AUZA to stop them.