Episode 4 The mysterious number tells Higan that it's impossible to infiltrate AUZA City without help and offers their services, hinting they also have connections with the ninja clan. Mike and Emma recover at the hospital after the car accident and Higan notifies them about the benefactor. Emma uncovers unrelated potential assistance with a disgruntled former AUZA employee on the dark web and Mike decides meet up with them. Inside AUZA City, Yamaji, Joseph, and other top brass of the clan meet up to discuss their suspicion that Higan will soon infiltrate the city. In a flashback, Higan, Mari, and Zai's relationship as members of the clan and how Higan and Mari broke the clan's code are revealed...