Kazuma Tachibana, a Tokyo Police detective on liaison with the NYPD, and his partner, New York City Police detective Bob Anderson, chase a criminal named Chan in New York City. Upon his arrest, they learn that one of Chan's associates is a career criminal named Masaomi Niimi, wanted by Interpol on charges of passport fraud. They arrest Niimi, but in the process Anderson is fatally wounded and dies in Kazuma's arms. Overwhelmed by guilt and determined to avenge the loss of his partner, Kazuma joins his superior, Eiji 'Hato' Hatomura to escort Niimi back to Tokyo where he will stand trial.