Fox, a dangerous mercenary, manages to steal the "Dragon's Tail", a top secret list of all the MI6's secret agents around the world, taking it to his island. To take it back, Gibbons orders Nyx to retake his place in the secret service, or otherwise his family will be killed. However, Lupin too is looking for the Dragon's Tail, and during their fight the MI6, believing that Nyx has failed, decides to sterilize the whole island. Some how Nyx and Lupin manage to escape alive from the island, and while Nyx secretly saves his family from MI6's killers, Lupin and Leonardo face Gibbon, with Lupin discovering that the Dragon Tail's theft had been commissioned by Leonardo in order to protect himself from the organization. Gibbons takes a shot at Leonardo, but is killed when his gun (sabotaged by Leonardo) backfires, and Leonardo decides to leave the Dragon's Tail to Lupin.