Isabel’s grandfather has dedicated his life to finding the sword of the legendary D’Artagnan, leader of the famous musketeers. Its whereabouts can be revealed by the one who deciphers the mysterious code which has been in their family for generations. When her grandfather falls ill, Isabel will take over his mission. Bent on cracking the code, she embarks on a dangerous pursuit accompanied by her cousin Rik and charming Jules, a family friend . The journey will take them to a string of caves and castles, and they will also find out they are not the only ones looking for the sword. Facing danger, the bold trio will give their best to follow in the footsteps of their heroes – “All for one and one for all!”