In the ancient city of Sokai, Lupin runs in the Tenryuukai Gang. A mafia known for their special \"assassination fist\" technique that can create chest pain and kill a person within 3 days. Lupin gets hit by this attack, but doesn't worry about because he'll find a way to live through it. While Zenigata is assigned to protect a bodyguard's daughter. Who appears to have a liking for Zenigata. Two adventures begin as Lupin fights off death and Zenigata protects a girl all in the city of Sokai!