The game's story takes place in 1912, in the floating city of Columbia, which was once a utopian society founded by self-proclaimed prophet Zachary Comstock. Players assume the role of Booker DeWitt, a former Pinkerton agent tasked with rescuing a young girl named Elizabeth from the clutches of Comstock. As Booker navigates the city, he is joined by Elizabeth, who possesses the ability to manipulate tears in the fabric of reality. Through their journey, the duo encounters various characters, including the enigmatic Songbird, who serves as a symbol of Columbia's oppressive regime.