15 years after The Dunwall Plague, the Empire begins to plunge into chaos after Empress Emily Kaldwin is suddenly dethroned by an 'otherworldly usurper', and becomes an outlaw to society. Determined to claim it back, Emily follows the steps of her father, Corvo Attano, in becoming an Assassin. Armed with the Outsider's mark, She intends to reclaim her title and restoring power to what had been lost.