Eken Mine

After a successful robbery leaves famed thief Lupin the Third and his partner Jigen with nothing but a large amount of expertly crafted counterfeit bills, he decides to track down the forgers responsible—and steal any other treasures he may find in the Castle of Cagliostro, including the 'damsel in distress' he finds imprisoned there.

A young boy and a girl with a magic crystal must race against pirates and foreign agents in a search for a legendary floating castle.