Inspirado no relato de Jake Adelstein (Ansel Elgort), este drama criminal acompanha o jovem jornalista americano enquanto ele mergulha no submundo do final dos anos 90 em Tóquio, onde nada e ninguém é o que parece.

Kenji Yamamoto's father died from using a stimulant drug. His life fell into desperation. Kenji then joined a crime syndicate. There, he meets the gang's boss Hiroshi Shibasaki. Hiroshi reaches out to Kenji and they developed a relationship like father and son. As time passes, Kenji has his own family.