Fire Fire Fire pays homage to classic shounen anime from days gone by, providing a thrilling and enjoyable experience. The series follows Jiga Kirishima in a world that is bleak and colorless, ravaged by destruction, and with a society where the elite class has complete control over crucial resources, leaving the poor and oppressed struggling just to make ends meet. Equipped with a rare and priceless sword passed down from his father, Jiga embarks on a journey to reunite with his bloodline, encountering both friends and foes along the way.
However, the Lost Eagle Nest, a powerful organization, seeks possession of the unique sword, hoping to utilize its rare material to rebuild the world. Jiga is wary and suspects that their intentions go beyond rebuilding. In their unyielding quest to acquire the sword, the Lost Eagle Nest places a bounty on Jiga and his companions, forcing them to run for their lives.