Onboard the spacecraft Calnus, Claude C. Kenni, the commander's son, finds himself whisked away to Expel, a primitive world steeped in swordplay and sorcery. Paired with Rena Lanford, who mistakes him for the fabled Warrior of Light, they unite with a diverse cast to unravel the mysteries surrounding the disruptive Sorcery Globe, a menacing meteorite wreaking havoc globally.