After the catastrophic North Ambrian Disaster, the region has remained the most impoverished area in Zemuria for several years. The mysterious Salt Pale caused extensive destruction that left the economy in shambles, making it impossible to make a full recovery. To attract foreign investments, the former state military has been rebranded as the Northern Jaegers, a prominent group of mercenaries. As a promising newcomer, Lavian "Lavi" Winslet dreams of joining the largest group of mercenaries on the continent and successfully becomes a member of the Northern Jaegers. Though Lavi has only been with the team for six months, her accomplished and restrained demeanor earns admiration from her peers. When tasked with collecting information on the Imperial Hero of Erebonia, a new threat to the state, Lavi discovers entangled political schemes that exceed her initial assumptions.