Logan, aka "Wolverine," is in New York with his girlfriend Mariko when they are attack and Mariko is kidnapped. One year later, Logan's Japanese cop buddy, Asano, comes to New York with news of Mariko and is attacked. After being saved by Logan, the two go to Japan where Logan learns that Mariko's father, Shigen, is the head of a crime syndicate and has betrothed Mariko to Hideki, the leader of the crime, island nation of Madripoor. After being heavily drugged, Logan loses a fight with Shigen and is left for dead. He is rescued by Yukio, who also has a vendetta against Shigen. Together, they must overcome Hideki's men, Red Omega, and more as they battle their way off Japan and to Madripoor to rescue Mariko.