Modern special forces soldier Zane is transmigrated to the Breaker Battalion. Faced with Direwolf Clan's relentless advance, he uses his modern military expertise to rally soldiers, guarding Ghost-Sorrow Ravine alongside Elara Goodwin. He wins over Scarlett Lynn, leader of Black Cloud Stronghold, seizing the enemy's horse farm. Relocating to Green Ox Town, a mysterious clue emerges. A storm to change Nirean's fate approaches.