Lupin the 3rd - The Secret of Twilight Gemini (English Dub)

On his dying bed, a former associate gives Lupin half of a strange diamond called the Twilight Gemini, the key the Geltic tribe's lost treasure.

With the help of the usual gang, Lupin makes his way to the Moroccan desert, where he meets a mysterious girl who happens to have the other half of the gem...