In a world filled with magic and adventure, a young boy named Arthur discovers that his grandfather left behind an incredible legacy: a map that leads him to a secret kingdom inhabited by tiny creatures, the Minimoys. While investigating the mysterious disappearance of his grandfather, Arthur is transported to a magical world where the Minimoys live in harmony with nature. There, he meets Sélénia and Betameche, two brave Minimoys who become his allies.
However, the kingdom is not without its dangers. A wicked villain, the wizard Maltazard, threatens to conquer their home and disrupt the peace of the place. Arthur, now only a few centimeters tall, must learn to face his fears and use his cleverness to save his new friends. Throughout the adventure, Arthur also begins to discover the true meaning of courage and friendship, as he faces challenges and dangers that will test his character.
With stunning visual effects and a focus on children's imagination, Arthur's story is a journey filled with action, laughter, and touching moments. The plot addresses themes of family, commitment, and the importance of not letting adversities defeat us. In the end, Arthur must decide whether to stay in this magical world or return to his everyday life, taking with him lessons that will change his view of the world.