As Lupin's mentor Don Dolune lies on his deathbed, he hands the master thief a gift, the diamond named Twilight. Though it's only half the treasure — the other half of the Twilight can be found in Morocco. Lupin must contend with his on-again-off-again-partner Fujiko, his feelings for the mysterious Lara, and the relentless whip-wielding maniac Sadachiyo in order to bring Twilight back to its full glory.
When a Lupin impersonator is arrested for shoplifting in Tokyo, dozens of other copycats converge on the city to clear the name of Arsene Lupin III. The real Lupin is in town too, both to watch the show and to steal a mysterious item called the Ice Cube. But one of those impostors also has sights on the Cube. Is he good enough to beat the original at his own game?
A girl named Olga is pursued by both the World Government and a man named Mad Treasure, as she is the only one who knows the location of the Pure Gold, a substance that can buy the entire world. Olga ends up sailing with the Straw Hat Pirates, and they journey to find the Pure Gold on the lost island of Alchemi, which is located inside the stomach of a large angler fish named Bonbori.
Stolen from the famous "secret" Air Force base, Area 51, Lupin's most recently stolen treasure holds a secret. Four "Bloody Angels," the toughest women Lupin has ever faced, want the treasure for their own terrorist purposes. Meanwhile Zenigata teams up with a female police officer to hunt Lupin and the terrorists down.
The wandering knight, Bedivere, reaches the end of his journey. It is A.D. 1273 in Jerusalem. The Holy Land has been transformed into a massive desert and its people have been forced out of their homes as three major powers wage war with each other in this wasteland. The Knights of the Round Table come together to protect the Holy City and their Lion King. With the whole of his kingdom summoned into a strange land, Ozymandias, the Sun King, quietly plots against the tyranny of this bizarre realm. The mountain people, protectors of those who were stripped of their land, await their chance at rebellion. In order to fulfill his mission, Bedivere heads for the Holy City where the Lion King rules. There he meets humanity’s final Master, Ritsuka Fujimaru, who has come to Jerusalem, accompanied by his Demi-Servant, Mash Kyrielight, in their quest to restore human history.