BioShock Infinite is a first-person shooter set in 1912, in the floating city of Columbia. The game follows Booker DeWitt, a former Pinkerton agent, who is sent to Columbia to rescue Elizabeth, a young woman who has been held captive there for most of her life. The game features a rich narrative, stunning visuals, and innovative gameplay mechanics, including the use of vigors (special abilities) and the Sky-Hook, a tool that allows for high-speed travel along the city's sky-lines.