Stubborn and ambitious Isabel begins the search for the legendary sword of the famous D'Artagnan. The only clue is a secret code that will lead to the treasure. Figuring it is not easy.
Girl helps her cousin and friend. Together they decide to go on searching. It turns out, however, that they are not the only ones dare-devils who want to gain valuable sword.
The expedition will provide not only adventurous, but also will find out how much they are worth real friends.