Twin Blades is an adaptation of a work in progress story in which a country attempting reunification undergoes invasion, leaving its hope to the heirs of each of the country's two states. In this game, however, the player takes on the role of a nameless soldier, who must navigate the chaos of the war, making important choices along the way, potentially deviating from the original story. The game's story is one whose themes ambition, loyalty, trust, and war.