Raised by his science teacher father, Joseph Pagnol, and seamstress mother Augustine, young Marcel grows up during the turn of the century in awe of his rationalist dad. When the family takes a summer vacation in the countryside, Marcel becomes friends with Lili, who teaches him about rural life.

A young boy’s dreams of glory and war turn into a bitter nightmare as his father’s kingdom is overrun by an invading army. Lost and alone in the woods, he finds an ancient sword that promises him the ability to claim his vengeance.