The plot of the anime 'Lupin 3: The Castle of Cagliostro' is the fascinating and dangerous adventures of a professional con man Arsene Lupin III, whose life is never boring and monotonous. Young & beauty Clarisse from Cagliostro dynasty is the last heir to the throne in a small European state after the death of the Archduke. But the insidious count Cagliostro has his own plans for the government of the state, so he captures Clarisse to marry the girl against her will, thereby gaining the throne.
At the same time, Arsene Lupin manages to scroll through a grand scam for a huge amount of money, but soon finds out that all the money is fake. All the strings lead to a small European state, whose rulers have long been issuing false notes. Once Arsene Lupin is going to punish the culprits, for which he goes to the ancestral castle of Cagliostro, where he'll find many adventures and a meeting with the sweet, charming Clarisse.