The year is 1912, and the United States is emerging as a world power. As an expression of the American ideals, the floating city of Columbia is launched with great fanfare. However, the endeavor of hope soon turns to disaster as the city disappears into the clouds. Pinkerton agent-turned-private investigator Booker DeWitt is sent to the floating city in search of a woman named Elizabeth, who has been imprisoned there since childhood. Will you be able to find Elizabeth and escape the city that is literally falling out of the sky before the powers that be put an end to your mission?